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发明名称
Device for holding window sashes in open position
摘要
申请公布号
US2492522(A)
申请公布日期
1949.12.27
申请号
US19460707278
申请日期
1946.11.01
申请人
JOSEPH CELEC;CELEC CHARLES J
发明人
CELEC JOSEPH;CELEC CHARLES J.
分类号
E05C17/14
主分类号
E05C17/14
代理机构
代理人
主权项
地址
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