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发明名称
BEARING AND SWIVEL DEVICE
摘要
申请公布号
SU1696246(A1)
申请公布日期
1991.12.07
申请号
SU19894734891
申请日期
1989.09.05
申请人
PK T I MINISTERSTVA UGOLNOJ PROMY SSSR
发明人
MAMAEV VLADIMIR G,SU;NESTEROV VLADIMIR A,SU;MAMAEVA ELEONORA M,SU
分类号
B23Q3/00
主分类号
B23Q3/00
代理机构
代理人
主权项
地址
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