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发明名称
PUSH-PULL COUPLING FOR SCRAPER TRAIN
摘要
申请公布号
SU1661453(A1)
申请公布日期
1991.07.07
申请号
SU19884607470
申请日期
1988.11.23
申请人
DN INZH-STR INSTITUT
发明人
KHMARA LEONID A,SU;MELASHICH VASILIJ V,SU
分类号
E21F13/00;B60D1/00
主分类号
E21F13/00
代理机构
代理人
主权项
地址
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