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发明名称
SAFETY GUARD FOR SHUNTING YARDS AND STATIONS
摘要
申请公布号
SU1685773(A1)
申请公布日期
1991.10.23
申请号
SU19894655845
申请日期
1989.03.01
申请人
SHCHUPAK VYACHESLAV YU,SU
发明人
SHCHUPAK VYACHESLAV YU,SU
分类号
B61K7/02
主分类号
B61K7/02
代理机构
代理人
主权项
地址
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