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发明名称
SPHERE-PROPELLING GEAR
摘要
申请公布号
SU1655624(A1)
申请公布日期
1991.06.15
申请号
SU19884622357
申请日期
1988.12.20
申请人
KI POLT I IM.50-LETIYA SOTSIALISTICHESKOJ REVOLYUTSII
发明人
KRIVDA LEONID T,SU;GOZHIJ SERGEJ P,SU
分类号
B21D37/12
主分类号
B21D37/12
代理机构
代理人
主权项
地址
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