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发明名称
Composite sheet metal body and method of producing the same
摘要
申请公布号
US2171040(A)
申请公布日期
1939.08.29
申请号
US19380227824
申请日期
1938.08.31
申请人
ALUMINUM COMPANY OF AMERICA
发明人
MERRITT RICHARD S.;KELLER FRED
分类号
A47J36/02;B23K20/227
主分类号
A47J36/02
代理机构
代理人
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地址
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