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发明名称
A control device for venetian blinds
摘要
申请公布号
GB740317(A)
申请公布日期
1955.11.09
申请号
GB19540005552
申请日期
1954.02.25
申请人
CURTISA
发明人
分类号
E06B9/308
主分类号
E06B9/308
代理机构
代理人
主权项
地址
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