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发明名称
Window sash operating mechanism
摘要
申请公布号
US2260013(A)
申请公布日期
1941.10.21
申请号
US19400322090
申请日期
1940.03.04
申请人
JOHN C. MORGAN
发明人
ELVERS ROY E.
分类号
E05D13/00;E05D15/16
主分类号
E05D13/00
代理机构
代理人
主权项
地址
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