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发明名称
Method of protecting metallic surfaces against tarnishing and corrosion
摘要
申请公布号
US2475186(A)
申请公布日期
1949.07.05
申请号
US19450609717
申请日期
1945.08.08
申请人
BOYLE-MIDWAY INC.
发明人
KAMLET JONAS
分类号
C23F11/02
主分类号
C23F11/02
代理机构
代理人
主权项
地址
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