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发明名称
Oil seal
摘要
申请公布号
US2480464(A)
申请公布日期
1949.08.30
申请号
US19460640400
申请日期
1946.01.11
申请人
HAROLD L. COX;JOHN JOSEPH THORNTON, JR.
发明人
GREGOIRE RESTA S.
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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