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圆柱螺旋拉伸弹簧尺寸及其参数(半圆钩环型)

Ordinary cylindrical helical extension springs(ends with semi-circular hooks) ; Dimensions
标准号:GB/T 2087-2001
Ordinary cylindrical helical extension springs(ends with semi-circular hooks) ; Dimensions
标准号:GB/T 2087-2001