DIN EN ISO 7490 (2001-09)被替代
Dental gypsum-bonded casting investments (ISO 7490:2000); English version of DIN EN ISO 7490
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Specifies requirements for, and establishes a classification of, gypsum-bonded casting investments together with the test methods to be used to determine compliance with these requirements. Applies to gypsum-bonded investments suitable for casting dental gold alloy which have liquid temperatures not greater than 1080 Degrees C. Coverage includes: sampling, packaging and marking. Also includes annexes, tables and diagrams.
Supersedes DIN EN 27490 and DIN 13911. (09/2001)
SN EN ISO 7490:2001 - Identical
BS EN ISO 7490:2001 - Identical
ONORM EN ISO 7490:2001 - Identical
NBN EN ISO 7490:2001 - Identical
NF EN ISO 7490:2001 - Identical
UNI EN ISO 7490:2001 - Identical
I.S. EN ISO 7490:2001 - Identical
NS EN ISO 7490 Ed. 1 (2000) - Identical
UNE EN ISO 7490:2001 - Identical
SS EN ISO 7490 Ed. 1 (2001) - Identical
ISO 7490:2000 - Identical
NEN EN ISO 7490:2001 - Identical
