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发明名称
Compound metal stock
摘要
申请公布号
US1904241(A)
申请公布日期
1933.04.18
申请号
US19290383271
申请日期
1929.08.03
申请人
ERWIN KAMMERER
发明人
KAMMERER ERWIN
分类号
B23K20/233
主分类号
B23K20/233
代理机构
代理人
主权项
地址
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