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经营范围
发明名称
Venetian blind head bar construction and fitting
摘要
申请公布号
US2673608(A)
申请公布日期
1954.03.30
申请号
US19520328650
申请日期
1952.12.30
申请人
LORENTZEN HARDWARE MF'G CORP.
发明人
NELSON HARRY
分类号
E06B9/323
主分类号
E06B9/323
代理机构
代理人
主权项
地址
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