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发明名称
Venetian blind tilting device
摘要
申请公布号
US2304934(A)
申请公布日期
1942.12.15
申请号
US19420440125
申请日期
1942.04.23
申请人
LAWSON GOTTFRID C
发明人
LAWSON GOTTFRID C.
分类号
E06B9/307
主分类号
E06B9/307
代理机构
代理人
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