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发明名称
Dust guard and oil seal
摘要
申请公布号
US2714023(A)
申请公布日期
1955.07.26
申请号
US19510241016
申请日期
1951.08.09
申请人
HENNESSY LUBRICATOR COMPANY, INC.
发明人
HENNESSY JAMES J.
分类号
B61F15/22
主分类号
B61F15/22
代理机构
代理人
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地址
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