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发明名称
Garage door actuating mechanism
摘要
申请公布号
US2778631(A)
申请公布日期
1957.01.22
申请号
US19550500178
申请日期
1955.04.08
申请人
LIFTRONIC, INC.
发明人
GINTE PHILIP G.
分类号
E05F15/16
主分类号
E05F15/16
代理机构
代理人
主权项
地址
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