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经营范围
发明名称
Copper and brass plating brightener
摘要
申请公布号
US2838448(A)
申请公布日期
1958.06.10
申请号
US19570672347
申请日期
1957.07.17
申请人
FRANCE DANIEL R
发明人
FRANCE DANIEL R.
分类号
C25D3/40;C25D3/58
主分类号
C25D3/40
代理机构
代理人
主权项
地址
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