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发明名称
WORM FEEDER SCREW PRODUCING METHOD
摘要
申请公布号
SU772664(A1)
申请公布日期
1980.10.23
申请号
SU19782698256
申请日期
1978.12.15
申请人
SAFRONOV VLADIMIR G,SU
发明人
SAFRONOV VLADIMIR G,SU
分类号
B21H8/00;B21D11/06;B21H3/12;(IPC1-7):B21H8/00
主分类号
B21H8/00
代理机构
代理人
主权项
地址
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