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发明名称
Apparatus for lubricating trolleys
摘要
申请公布号
US2004386(A)
申请公布日期
1935.06.11
申请号
US19310524636
申请日期
1931.03.23
申请人
WEHRLY CLARENCE G
发明人
WEHRLY CLARENCE G.
分类号
F16N15/02
主分类号
F16N15/02
代理机构
代理人
主权项
地址
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