CB/T 637-1995
弹簧拖钩
1995-12-19
CB 3064-1979
气控弹簧拖钩
1979-01-01
MIL MIL-C-1453G
CHAINS, DOG, WITH SNAPHOOK (NO S/S DOCUMENT) (SUPERSEDING MIL-C-1453F)
带弹簧钩的狗链（无S/S文件）（代替MIL-C-1453F）
1990-04-23
DIN 5290-2
Light metal spring hook without setting nut - Part 2: Dimensions, technical conditions of delivery
无固定螺母的轻金属弹簧钩.第2部分:尺寸和交货技术条件
2015-12-01
MIL MIL-S-43770/10
SNAP HOOK, CAST BODY, FIXED LOOP EYE WITHOUT ROLLER, FLAT SPRING CLOSURE, WIDE MOUTH (S/S BY NASM43770/10-1999)
卡钩 铸造主体 无滚轮固定环眼 平弹簧闭合 宽口（S/S由NASM43770/10-1999提供）
1972-03-31