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| GB 1097-1979(1990) Oriented keyway - Type and size (English Version) |
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Detail of GB 1097-1979(1990)
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Introduction of GB 1097-1979(1990)
固定于轴上的圆头指向平键（A型）及平头导向键（B型）的型式尺寸应符合本标准的规定。
Contents of GB 1097-1979(1990)