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发明名称
Journal lubricator
摘要
申请公布号
US2571235(A)
申请公布日期
1951.10.16
申请号
US19470782929
申请日期
1947.10.29
申请人
HAMER ALFRED A
发明人
HAMER ALFRED A.
分类号
B61F17/06
主分类号
B61F17/06
代理机构
代理人
主权项
地址
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