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经营范围
发明名称
Assembly of metal surfaces
摘要
申请公布号
US1896656(A)
申请公布日期
1933.02.07
申请号
US19300481013
申请日期
1930.09.10
申请人
B. F. STURTEVANT COMPANY
发明人
ANDERSON SAMUEL M.
分类号
B01D45/00;B21D53/00
主分类号
B01D45/00
代理机构
代理人
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地址
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