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发明名称
Window frame
摘要
申请公布号
US2293648(A)
申请公布日期
1942.08.18
申请号
US19400336641
申请日期
1940.05.22
申请人
I. F. LAUCKS, INC.
发明人
HORN ERWIN A.
分类号
E06B1/10
主分类号
E06B1/10
代理机构
代理人
主权项
地址
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