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发明名称
METHOD OF REINFORCING WORM-CONVEYER HELIX
摘要
申请公布号
SU856617(A1)
申请公布日期
1981.08.23
申请号
SU19792724462
申请日期
1979.02.05
申请人
SHIFRIN DAVID YA,SU;GURVICH VLADIMIR E,SU;VOROBEV YURIJ P,SU
发明人
SHIFRIN DAVID YA,SU;GURVICH VLADIMIR E,SU;VOROBEV YURIJ P,SU
分类号
B21D11/06;(IPC1-7):B21D11/06
主分类号
B21D11/06
代理机构
代理人
主权项
地址
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