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发明名称
Timed door control
摘要
申请公布号
GB2058204(A)
申请公布日期
1981.04.08
申请号
GB19790026543
申请日期
1979.07.31
申请人
DIXON M G
发明人
分类号
E05C17/62;E05F1/00;(IPC1-7):E05F3/22
主分类号
E05C17/62
代理机构
代理人
主权项
地址
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