精品文献
GB3763-83是什么螺母
DIN6923-83法兰螺母
DIN6923-83(1728x2293x2 tif) DIN6923-83 (1728x2273x2tif) [2] DIN6923-83 (1728x2274x2tif) [3] DIN6923-83 (1728x2273x2tif) [4]
DIN_6331_2003_重型法兰螺母
ICS 21.060.20 Sechskantmuttern 1,5 d hoch mit Bund In keeping with current practice in standards published by the International Organization for Standardization (ISO), a comma has been used throughout as the decimal marker. Ref. No. DIN 6331 : 2003-04 English price group 06 Sales No. 0106 12.03 DEUTSCHE NORM April 2003 6331 { Continued on pages 2 to 3. ? No part of this translation may be reproduc