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经营范围
发明名称
Timing mechanism
摘要
申请公布号
US2299856(A)
申请公布日期
1942.10.27
申请号
US19390263920
申请日期
1939.03.24
申请人
SMITH FRANK C;HERREN THOMAS L
发明人
SMITH FRANK C.;HERREN THOMAS L.
分类号
G04D7/12
主分类号
G04D7/12
代理机构
代理人
主权项
地址
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