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经营范围
发明名称
MECHANICAL BELL
摘要
申请公布号
SU853648(A1)
申请公布日期
1981.08.07
申请号
SU19792831560
申请日期
1979.10.17
申请人
PERMSKIJ TELEFONNYJ ZAVOD;TSNI PROEKTNO-EKSPERIMENTALNYJ I INZHENERNOGO OBORUDOVANIYA
发明人
SOBOLEV YURIJ M,SU;TITARENKO IVAN F,SU;SOSNER YURIJ M,SU
分类号
G10K1/07;(IPC1-7):G10K1/07
主分类号
G10K1/07
代理机构
代理人
主权项
地址
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