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经营范围
发明名称
NUT DRIVER
摘要
申请公布号
SU1735475(A1)
申请公布日期
1992.05.23
申请号
SU19904804383
申请日期
1990.03.19
申请人
VNI TEPLOVOZNYJ INSTITUT
发明人
POCHTAR ANATOLIJ YU,SU;SHUGAEVA GALINA G,SU;FROLOV BORIS M,SU;TRESKOV YURIJ P,SU
分类号
E01B29/28
主分类号
E01B29/28
代理机构
代理人
主权项
地址
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