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发明名称
Door operator
摘要
申请公布号
US1930685(A)
申请公布日期
1933.10.17
申请号
US19320596512
申请日期
1932.03.03
申请人
W. H. MINER, INC.
发明人
LEHMAN EDWARD H.
分类号
E05B65/16
主分类号
E05B65/16
代理机构
代理人
主权项
地址
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