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发明名称
OIL SEAL
摘要
申请公布号
CA379755(A)
申请公布日期
1939.02.28
申请号
CAD379755
申请日期
申请人
CHICAGO RAWHIDE MANUFACTURING COMPANY
发明人
HARRY L. NORTHUP;JENS AGGER
分类号
主分类号
代理机构
代理人
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