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经营范围
发明名称
An improved aluminium frame sash window
摘要
申请公布号
GB765982(A)
申请公布日期
1957.01.16
申请号
GB19540036600
申请日期
1954.12.17
申请人
GIOVANNI VARLONGA
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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