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经营范围
发明名称
Copper treating furnace
摘要
申请公布号
US1896570(A)
申请公布日期
1933.02.07
申请号
US19320628754
申请日期
1932.08.13
申请人
BENSON WILLIS J
发明人
BENSON WILLIS J.
分类号
C22B15/00;C22B15/06
主分类号
C22B15/00
代理机构
代理人
主权项
地址
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