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发明名称
SLEEPER BROOM TO TRACK MACHINE
摘要
申请公布号
SU628207(A1)
申请公布日期
1978.10.15
申请号
SU19752105686
申请日期
1975.01.20
申请人
VNII TORFYANOJ PROMYSHLENNOSTI
发明人
FILIPPOV ANDREJ K,SU;TRASHCHENKO VLADIMIR V,SU
分类号
E01B27/02;(IPC1-7):E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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