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发明名称
Improvements connected with sash windows
摘要
申请公布号
GB595818(A)
申请公布日期
1947.12.17
申请号
GB19450017536
申请日期
1945.07.10
申请人
EDWIN MORGAN
发明人
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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