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发明名称
Antitarnish composition
摘要
申请公布号
US2531114(A)
申请公布日期
1950.11.21
申请号
US19490108361
申请日期
1949.08.03
申请人
BEAM PRODUCTS, INC.
发明人
DIETZ WALDEMAR
分类号
B01D53/04;B01D53/34;C23F15/00
主分类号
B01D53/04
代理机构
代理人
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地址
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