HB 4316-1989
长圆孔垫块
1989-07-12
GB/T 12620-2008
长圆孔、长方孔和圆孔筛板
Round and elongated apertures with round and square plate screens
2008-04-16
HB 518-1989
垫块
1989-05-13
UNE 27133-1974
HEEL BLOCKS.
脚跟垫块
1974-02-15
HB 4317-1989
条形垫块
1989-07-12
HB 4515-1991
标准垫块
1991-05-07
T/QGCML 873-2023
钢筋笼垫块
2023-06-05
HB 4158-1988
可换垫块
1988-04-09
HB 4164-1988
可换垫块
1988-04-09
HB 4321-1989
方形下垫块
1989-07-12
HB 4022-1988
圆孔下基础板
1988-04-09
HB 4307-1989
圆孔支承导向板
1989-07-12
SJ 2998-1988
组合冲模 垫块
Combined dies--Spacer blocks
1988-03-28
HB 4304-1989
圆孔凸凹模支承板
1989-07-12
HB 4322-1989
长方形下垫块
1989-07-12
QJ 777.15-1983
小型组合冲模 垫块
1983-08-25
GOST 16637-1980
Матрицы с круглым отверстием. Конструкция и размеры
女模具圆孔 施工和尺寸
QJ 777.4-1983
小型组合冲模 方垫块
1983-08-25
QJ 777.5-1983
小型组合冲模 条形垫块
1983-08-25
WRC 102
State Of Stress In A Circular Cylindrical Shell With A Circular Hole
带圆孔圆柱壳的应力状态