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经营范围
发明名称
Revolving shutter
摘要
申请公布号
GB667941(A)
申请公布日期
1952.03.12
申请号
GB19500015103
申请日期
1950.06.16
申请人
HARTMANN & CO. A.G.
发明人
分类号
E06B9/34
主分类号
E06B9/34
代理机构
代理人
主权项
地址
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