ISO 649-2 : 1981(R2010)现行
LABORATORY GLASSWARE - DENSITY HYDROMETERS FOR GENERAL PURPOSES - PART 2: TEST METHODS AND USE
出版：International Organization for Standardization
专家解读视频
This part of ISO 649 specifies the test methods and use of density hydrometers for general purposes.
NFB 35 511 : 83 FD - Identical
NFT 20 050 : 1985 - Identical
UNI ISO 649-2 : 1983 - Identical
NEN ISO 649-2 : 1982 - Identical
UNI ISO 649-2 : 1983 - Identical
NFT 20 050 : 1985 - Identical
NEN ISO 649-2 : 1982 - Identical
NFB 35 511 : 83 FD - Identical
