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发明名称
Zinc smelting
摘要
申请公布号
US1988608(A)
申请公布日期
1935.01.22
申请号
US19340721184
申请日期
1934.04.18
申请人
OGG WILLIAM A
发明人
OGG WILLIAM A.
分类号
C22B19/04
主分类号
C22B19/04
代理机构
代理人
主权项
地址
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