GOST 19379-1974 Sand frames for core boxes Dimensions《型芯箱用进料器架 尺寸》.pdf

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GOST 19381-1974 Pins for core boxes Design and dimensions《型芯箱用销钉 结构及尺寸》.pdf

GOST 19382-1974 Pins for core boxes Design and dimensions《型芯箱用定位销 结构及尺寸》.pdf

GOST 19388-1974 Fixing cramps for split core boxes Design and dimensions《可拆卸型芯相用紧固卡板 结构及尺寸》.pdf

GOST 19395-1974 Casting vents for core boxes Design and dimensions《型芯箱用铸造通气口 结构及尺寸》.pdf

GOST 19398-1974 Sand blast bushes with packing for core boxes Design and dimensions《型芯箱用喷砂衬套 结构及尺寸》.pdf

GOST 21304-1975 Columns of return for heated core boxes Design and dimensions《加热型芯箱用回收柱 结构及尺寸》.pdf

GOST 21305-1975 Elements and assembly units for heated core boxes Specifications《加热型芯箱用零件及装配单位 技术要求》.pdf

GOST 21295-1975 Regulable ejectors for heated core boxes Design and dimensions《加热型芯箱用调节式顶出器 结构及尺寸》.pdf

GOST 21300-1975 Centring joinings with clamps for heated core boxes Design and dimensions《加热型芯箱用夹紧定心连接 结构及尺寸》.pdf

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