SNV DIN ISO 4505:1991现行
Hardmetals - Metallographic Determination Of Porosity And Uncombined Carbon
出版：Swiss Standards
专家解读视频
Specifies methods for the metallographic determination of the presence, type and distribution of porosity and uncombined carbon in hardmetals.
EN 24505 : 1993 - Identical
ISO 4505 : 1978 - Identical
DIN ISO 4505 : 1991-07 - Identical
NFA 95 441 : 1977 - Identical
NFA 95 441:1977 - Identical
ISO 4505:1978 - Identical
EN 24505:1993 - Identical
DIN ISO 4505 (1991-07) - Identical
