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发明名称
SIGNALKNOPF UND VERWENDUNG DESSELBEN
摘要
申请公布号
DE7024910(U)
申请公布日期
1972.05.10
申请号
DE19700024910U
申请日期
1970.07.02
申请人
BBC
发明人
分类号
G08B5/32;(IPC1-7):F21Q3/00
主分类号
G08B5/32
代理机构
代理人
主权项
地址
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