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发明名称
Sequential and proportional control device
摘要
申请公布号
US3179985(A)
申请公布日期
1965.04.27
申请号
US19630284536
申请日期
1963.05.31
申请人
YOUNGSTOWN STEEL DOOR COMPANY
发明人
HERR THEODORE Z.
分类号
E05D15/10
主分类号
E05D15/10
代理机构
代理人
主权项
地址
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