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经营范围
发明名称
Window operating mechanism
摘要
申请公布号
US2249998(A)
申请公布日期
1941.07.22
申请号
US19390252823
申请日期
1939.01.25
申请人
JOHN AMUNDSON
发明人
AMUNDSON JOHN
分类号
E05F11/38
主分类号
E05F11/38
代理机构
代理人
主权项
地址
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