C618机床主轴淬火方法的改进

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C618机床主轴淬火方法的改进

国营南京机床厂编
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Year:
1958
Publisher:
南京:江苏人民出版社
Language:
chinese
Pages:
13
ISBN:
12304181
File:
PDF, 2.62 MB
IPFS:
CID , CID Blake2b
chinese, 1958
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