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经营范围
发明名称
Piston lubricating device
摘要
申请公布号
US2141149(A)
申请公布日期
1938.12.20
申请号
US19360064623
申请日期
1936.02.19
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
FARMER CLYDE C.
分类号
F16N7/30
主分类号
F16N7/30
代理机构
代理人
主权项
地址
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