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发明名称
TRAIN TRACEABLE POINT CONTROL TYPE RAILROAD CROSSING CONTROLLER
摘要
申请公布号
JPS63176769(A)
申请公布日期
1988.07.21
申请号
JP19870006089
申请日期
1987.01.16
申请人
RAILWAY TECHNICAL RES INST
发明人
KUMAGAI TOSHIO;AKITA TAKESHI
分类号
B61L29/28
主分类号
B61L29/28
代理机构
代理人
主权项
地址
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