專家解讀視頻
Deals with definitions and classification for ceramic, glass-mica, glass ceramic and glass materials for electrical insulating purposes.
DIN EN 60672-1:1996 - Identical
SN EN 60672-1:1995 - Identical
BS EN 60672-1:1996 - Identical
DIN EN 60672-1 (1996-05) - Identical
I.S. EN 60672-1:1998 - Identical
NF EN 60672-1:1995 - Identical
UNE EN 60672-1:1996 - Identical
SS EN 60672-1 Ed. 1 (1996) - Identical
