其他电话、电报和电信系统用设备 -环标网

已选条件： 其他电话、电报和电信系统用设备

国家：

标准状态：

每页显示20 条，共找到 78 条结果 <4/4>

标准编号	标准名称	发布部门	发布日期	状态
NEN EN 301160:2002	Routeing Of Calls To European Telephony Numbering Space (etns) Services	Nederlands..	2002-01-01	现行
NEN EN 301161:2002	Management Of The European Telephony Numbering Space (etns)	Nederlands..	2002-01-01	现行
IEC 61643-311 Ed. 1.0	Components for low-voltage surge protective devices Part 311: Specification for gas discharge tubes (GDT)	Internatio..	2001-10-17	被替代
DIN EN 41003 (1999-08)	Particular Safety Requirements For Equipment To Be Connected To Telecommunication Networks	Verband De..	1999-08-01	被替代
VDE 0804-100:1999	Particular Safety Requirements For Equipment To Be Connected To Telecommunication Networks	Verband De..	1999-08-01	被替代
BS EN 41003:1999	Particular safety requirements for equipment to be connected to telecommunications networks	British St..	1999-05-15	被替代
BS 4193-13:1998	Hardmetal insert tooling. Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole. Dimensions	British St..	1998-10-15	被替代
BS ISO 7746:1998	Banking. Telex formats for inter-bank messages	British St..	1998-10-15	废止
SN HD 609:1995	Sectional Specification For Equipment Cables To Be Used For Digital And Analogue Communication	Swiss Stan..	1995-11-01	现行
SN EN 60495:1994	Single Sideband Power-line Carrier Terminals	Swiss Stan..	1994-03-01	现行
GOST 23221:1978	Uhf Modules, Blocks - Terms, Definitions And Letter Symbols	Interstand..	1980-01-01	现行
SN EN 61643-351:2017	Components For Low-Voltage Surge Protective Devices - Part 351: Performance Requirements And Test Methods For Telecommunications And Signalling Network Surge Isolation Transformers (Sit)	Swiss Stan..	1900-01-01	现行
NF EN 61643-351:2017	Components For Low-Voltage Surge Protective Devices - Part 351: Performance Requirements And Test Methods For Telecommunications And Signalling Network Surge Isolation Transformers (Sit)	Associatio..	1900-01-01	现行
NEN EN IEC 61643-351:2017	Components For Low-Voltage Surge Protective Devices - Part 351: Performance Requirements And Test Methods For Telecommunications And Signalling Network Surge Isolation Transformers (Sit)	Nederlands..	1900-01-01	现行
NBN EN 55011:2016	Industrial, Scientific And Medical Equipment - Radio-Frequency Disturbance Characteristics - Limits And Methods Of Measurement	Belgian St..	1900-01-01	现行
DS EN 61643-351:2017	Components For Low-Voltage Surge Protective Devices - Part 351: Performance Requirements And Test Methods For Telecommunications And Signalling Network Surge Isolation Transformers (Sit)	Danish Sta..	1900-01-01	现行
ATIS T1.509:1995 (R2004)	Packetized Circuit Multiplications Equipment - Interface Specification	Alliance f..	1900-01-01	被替代
DIN EN 41003:2009	Particular Safety Requirements For Equipment To Be Connected To Telecommunication Networks And/Or A Cable Distribution System	Verband De..	1900-01-01	被替代
I.S. EN 116504:1996	Electro-mechanical All-or-nothing Telecom Relays of Assessed Quality, Dual-in-line, With 15 x 7,5 mm Base, 2 Change-over Contacts (blank Detail Specification)	National S..	1900-01-01	被替代
JIS C 5381-311:2016	Components For Low-voltage Surge Protective Devices - Part 311: Performance Requirements And Test Circuits For Gas Discharge Tubes (gdt)	Japanese S..	1900-01-01	现行

全选