UNI EN ISO 3822-4:1998现行
Acoustics - Laboratory Tests On Noise Emission From Appliances And Equipment Used In Water Supply Installations - Mounting And Operating Conditions For Special Appliances
出版：Italian Standards
专家解读视频
Defines the mounting and operating conditions for use by a number of appliances which cannot be regarded as draw-off or in-line valves, for measuring the noise emission from water flow.
NEN EN ISO 3822-4:1997 - Identical
BS EN ISO 3822-4:1997 - Identical
ONORM EN ISO 3822-4:1997 - Identical
ISO 3822-4:1997 - Identical
NS EN ISO 3822-4 Ed. 1 (1997) - Identical
DIN EN ISO 3822-4 (1997-03) - Identical
NBN EN ISO 3822-4:1997 - Identical
NF EN ISO 3822-4:1997 - Identical
I.S. EN ISO 3822-4:1997 - Identical
SN EN ISO 3822-4:1997 - Identical
SS EN ISO 3822-4 Ed. 1 (1997) - Identical
UNE EN ISO 3822-4:1997 - Identical
