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发明名称
Metalworking machine
摘要
申请公布号
US2352095(A)
申请公布日期
1944.06.20
申请号
US19390277371
申请日期
1939.06.05
申请人
GROTNES CARL C
发明人
GROTNES CARL C.
分类号
B21D51/26
主分类号
B21D51/26
代理机构
代理人
主权项
地址
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