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发明名称
Adjustable louver unit
摘要
申请公布号
US2847729(A)
申请公布日期
1958.08.19
申请号
US19570669042
申请日期
1957.07.01
申请人
NEO-RAY PRODUCTS, INC.
发明人
ZINGONE ANTHONY E.
分类号
E06B7/084
主分类号
E06B7/084
代理机构
代理人
主权项
地址
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