标准:
二级分类:
标准库
(10)
JB/ZQ 4756-2006Anchor studs
JB/T 4707-2000Type A double end studs
JB/T 4707-2000Type B double end studs
JB/ZQ 4324-2006Type A double end studs b1=1d
JB/ZQ 4324-2006Type B double end studs b1=1d
JB/T 2773-1992PN16～32MPa Double end studs
JB/T 2774-1992PN16～32MPa Stepped Double end stud
JB/T 1308.14-1999PN 250 MPa Double end studs
JB/T 1308.15-1999PN 250 MPa Stepped Double end stud
JB/T 8007.4-1999Double end bolts