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发明名称
Oil seal
摘要
申请公布号
US2289274(A)
申请公布日期
1942.07.07
申请号
US19390271045
申请日期
1939.05.01
申请人
CHICAGO RAWHIDE MANUFACTURING COMPANY
发明人
KRUG LOUIS G.
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
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地址
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