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经营范围
发明名称
Window shutter
摘要
申请公布号
US1940583(A)
申请公布日期
1933.12.19
申请号
US19300457416
申请日期
1930.05.29
申请人
发明人
DEMEULENAERE MARCEL
分类号
E06B9/62
主分类号
E06B9/62
代理机构
代理人
主权项
地址
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