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经营范围
发明名称
SCREW-TYPE GIRATORY MECHANISM
摘要
申请公布号
SU1548395(A1)
申请公布日期
1990.03.07
申请号
SU19884442833
申请日期
1988.05.18
申请人
VNII BUROVOJ TEKHNIKI
发明人
BALDENKO DMITRIJ F,SU;GUSMAN MOISEJ T,SU;KONDRATENKO LEONID A,SU;CHERNOVA TAMARA N,SU
分类号
E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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