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发明名称
MATERIAL FOR PREVENTING METAL FROM CORRODING
摘要
申请公布号
CA305575(A)
申请公布日期
1930.11.11
申请号
CAD305575
申请日期
申请人
JAMES H. GRAVELL
发明人
JAMES H. GRAVELL
分类号
主分类号
代理机构
代理人
主权项
地址
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