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发明名称
METAL ARTICLE WORKING METHOD
摘要
申请公布号
CA377038(A)
申请公布日期
1938.10.11
申请号
CAD377038
申请日期
申请人
TUBUS A. G.
发明人
FRITZ SINGER
分类号
主分类号
代理机构
代理人
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