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发明名称
APPARATUS FOR REFINING LEAD BULLION
摘要
申请公布号
CA319786(A)
申请公布日期
1932.02.16
申请号
CAD319786
申请日期
申请人
GEORGE KENNETH WILLIAMS
发明人
GEORGE KENNETH WILLIAMS
分类号
主分类号
代理机构
代理人
主权项
地址
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