
Welded Circular Austenitic Stainless Steel Tubes Subject To Special Requirements; Technical Delivery Conditions
出版:Swiss Standards

專家解讀視頻
1985
DIN 17457 (1985-07) - Identical
DIN 17457 : 1985 - Identical
DIN 17457 : 1985 - Identical
DIN 17457 E : 1985 - Identical