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经营范围
发明名称
Process of recovering tin
摘要
申请公布号
US2055732(A)
申请公布日期
1936.09.29
申请号
US19350018366
申请日期
1935.04.26
申请人
LUDWIG SCHERTEL
发明人
SCHERTEL LUDWIG
分类号
C22B25/06
主分类号
C22B25/06
代理机构
代理人
主权项
地址
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