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经营范围
发明名称
Lubricating apparatus
摘要
申请公布号
US2616523(A)
申请公布日期
1952.11.04
申请号
US19460640526
申请日期
1946.01.11
申请人
DAVIS ERNEST W
发明人
DAVIS ERNEST W.
分类号
F16N13/04
主分类号
F16N13/04
代理机构
代理人
主权项
地址
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