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经营范围
发明名称
Improvements in and relating to slatted shutters
摘要
申请公布号
GB660313(A)
申请公布日期
1951.11.07
申请号
GB19490010862
申请日期
1949.04.25
申请人
SERGRAM
发明人
分类号
E06B7/084
主分类号
E06B7/084
代理机构
代理人
主权项
地址
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