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铸造机械清洁度测定方法 显微镜法
Cleanness measurement method of foundry machines Microscopic method
价格:¥0.00
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铸造机械清洁度测定方法重量法
Cleanness measurement method of foundry machines Gravimetric method
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砂处理、 清理设备 涂漆技术条件
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气动微震压实造型机 技术条件
Pneumatic shockless jolt squeeze moulding machine Technical conditions
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