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发明名称
(B1) ;INTERLOCKING AND SIGNALLING SYSTEM
摘要
申请公布号
PL218047(A1)
申请公布日期
1981.03.27
申请号
PL19790218047
申请日期
1979.08.29
申请人
UNITRA DIORA
发明人
SKRZETNICKI JUSTYN
分类号
G11B;G11B15/02;(IPC1-7):G11B/
主分类号
G11B
代理机构
代理人
主权项
地址
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