
High-strength Hexagon Head Bolts With Large Widths Across Flats For Structural Steel Bolting
出版:Swiss Standards

專家解讀視頻
1989 [01/10/1989]
DIN 6914 : 1989 - Identical
DIN 6914 E : 1989 - Identical
DIN 6914 : 1989 - Identical
DIN 6914 (1989-10) - Identical