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发明名称
Means for oiling loose pulleys or the like
摘要
申请公布号
US1923869(A)
申请公布日期
1933.08.22
申请号
US19300459271
申请日期
1930.06.05
申请人
JONES JOHN D
发明人
JONES JOHN D.
分类号
F16N7/36;F16N21/00
主分类号
F16N7/36
代理机构
代理人
主权项
地址
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