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发明名称
Automatic oiling system
摘要
申请公布号
US1933684(A)
申请公布日期
1933.11.07
申请号
US19290381708
申请日期
1929.07.29
申请人
THE DEMING COMPANY
发明人
RANDOLPH ALFRED;DAWSON EDWIN S.
分类号
F16N7/40
主分类号
F16N7/40
代理机构
代理人
主权项
地址
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