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经营范围
发明名称
Lead alloys
摘要
申请公布号
US2142836(A)
申请公布日期
1939.01.03
申请号
US19380232092
申请日期
1938.09.28
申请人
AMERICAN SMELTING AND REFINING COMPANY
发明人
BETTERTON JESSE O.;PHILLIPS ALBERT J.;JR. ALBERT A. SMITH,
分类号
B41L1/16;C22C11/02;H01J43/22;H01M4/68
主分类号
B41L1/16
代理机构
代理人
主权项
地址
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