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经营范围
发明名称
Lubricant
摘要
申请公布号
US2355616(A)
申请公布日期
1944.08.15
申请号
US19400372136
申请日期
1940.12.28
申请人
ELGIN NATIONAL WATCH COMPANY
发明人
BARKER GEORGE E.
分类号
G04B31/08
主分类号
G04B31/08
代理机构
代理人
主权项
地址
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