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经营范围
发明名称
Reversible window
摘要
申请公布号
GB769571(A)
申请公布日期
1957.03.13
申请号
GB19540016166
申请日期
1954.06.01
申请人
HENRY ALBERT WYETH
发明人
分类号
E06B3/50
主分类号
E06B3/50
代理机构
代理人
主权项
地址
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