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发明名称
Method of making lubricating devices
摘要
申请公布号
US2176296(A)
申请公布日期
1939.10.17
申请号
US19360058103
申请日期
1936.01.08
申请人
THE LUBRICATION CORPORATION
发明人
CREVELING JOHN L.
分类号
B21K1/14
主分类号
B21K1/14
代理机构
代理人
主权项
地址
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