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发明名称
METHOD FOR ASSESSMENT OF HOLDING CAPACITY OF SPRING-OPERATED ANTICREEPER DEVICE
摘要
申请公布号
RU1772285(C)
申请公布日期
1992.10.30
申请号
SU19904884860
申请日期
1990.11.26
申请人
KHABAROVSKIJ I INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA
发明人
SUPRUN PETR P,SU;CHETYRIN IGOR V,SU
分类号
E01B13/00;E01B29/32;E01B35/12
主分类号
E01B13/00
代理机构
代理人
主权项
地址
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