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发明名称
Window sash guide structure
摘要
申请公布号
US2776458(A)
申请公布日期
1957.01.08
申请号
US19540462799
申请日期
1954.10.18
申请人
SCHWERAK JOSEPH J
发明人
SCHWERAK JOSEPH J.
分类号
E06B3/44
主分类号
E06B3/44
代理机构
代理人
主权项
地址
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