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发明名称
Oil seal
摘要
申请公布号
US2264062(A)
申请公布日期
1941.11.25
申请号
US19390270493
申请日期
1939.04.28
申请人
CHICAGO RAWHIDE MANUFACTURING COMPANY
发明人
WILDER PHELPS
分类号
F16J15/32
主分类号
F16J15/32
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代理人
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