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经营范围
发明名称
Improvements in and relating to folding screens
摘要
申请公布号
GB407544(A)
申请公布日期
1934.03.22
申请号
GB19330011034
申请日期
1933.04.13
申请人
JAMES FIELD
发明人
分类号
A47G5/00;F21V33/00
主分类号
A47G5/00
代理机构
代理人
主权项
地址
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