GOST 19985-1974 Clamping plate for wax-pattern dies with cylinder matrices Design and dimensions《带圆柱形下模的熔模用压模压紧板 结构及尺寸》.pdf

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GOST 19986-1974 Clamping plate for wax-pattern dies with rectangular matrices Design and dimensions《带矩形下模的熔模用压模压紧板 结构及尺寸》.pdf

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