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经营范围
发明名称
Overhead garage door keeper
摘要
申请公布号
US2426052(A)
申请公布日期
1947.08.19
申请号
US19430516578
申请日期
1943.12.31
申请人
发明人
RIX CHARLES H.
分类号
E05B15/00;E05B65/00;E05C9/04;E05D15/24
主分类号
E05B15/00
代理机构
代理人
主权项
地址
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