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经营范围
发明名称
PREVENTION OF TARNISHING OF METAL SURFACES
摘要
申请公布号
CA479155(A)
申请公布日期
1951.12.04
申请号
CAD479155
申请日期
申请人
CAMILLE DREYFUS
发明人
JAMES CLAYTON MOSS
分类号
主分类号
代理机构
代理人
主权项
地址
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