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发明名称
Metallic window frame and sash
摘要
申请公布号
US1821511(A)
申请公布日期
1931.09.01
申请号
US19290403702
申请日期
1929.10.31
申请人
HASSELBUSCH HENRY C
发明人
HASSELBUSCH HENRY C.
分类号
E06B3/34;E06B3/40
主分类号
E06B3/34
代理机构
代理人
主权项
地址
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