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经营范围
发明名称
RAIL CIRCUIT
摘要
申请公布号
SU1699844(A1)
申请公布日期
1991.12.23
申请号
SU19833668608
申请日期
1983.11.30
申请人
GL U SIGNALIZATSII SVYAZI MPS SSSR
发明人
LEONOV ARKADIJ A,SU;EZHOVA LYUDMILA A,SU
分类号
B61L23/16
主分类号
B61L23/16
代理机构
代理人
主权项
地址
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