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发明名称
Casement window structure
摘要
申请公布号
US2751639(A)
申请公布日期
1956.06.26
申请号
US19520280710
申请日期
1952.04.05
申请人
OSWALD JOSEPH H
发明人
OSWALD JOSEPH H.
分类号
E06B3/28
主分类号
E06B3/28
代理机构
代理人
主权项
地址
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