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发明名称
Composition of matter for selectively controlling metal pickling baths
摘要
申请公布号
US1932015(A)
申请公布日期
1933.10.24
申请号
US19310527350
申请日期
1931.04.02
申请人
GRAVELL JAMES H
发明人
GRAVELL JAMES H.
分类号
C23G1/06
主分类号
C23G1/06
代理机构
代理人
主权项
地址
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