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发明名称
Selecting mechanism
摘要
申请公布号
US2473944(A)
申请公布日期
1949.06.21
申请号
US19450633654
申请日期
1945.12.08
申请人
HEMPHILL COMPANY
发明人
FREGEOLLE OSCAR
分类号
D04B9/26
主分类号
D04B9/26
代理机构
代理人
主权项
地址
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