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发明名称
Window
摘要
申请公布号
US2244888(A)
申请公布日期
1941.06.10
申请号
US19390288634
申请日期
1939.08.05
申请人
MARSHALL FRANK L
发明人
MARSHALL FRANK L.
分类号
E06B7/232
主分类号
E06B7/232
代理机构
代理人
主权项
地址
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