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发明名称
METHOD AND APPARATUS FOR SCREW WORKING WITH VARIATING STER
摘要
申请公布号
BG28745(A1)
申请公布日期
1980.07.15
申请号
BG19790043536
申请日期
1979.05.10
申请人
KOLEV,STOJJKO Z.;KHRISTOV,KNCHO A.;DRAGANOV,VASIL R.
发明人
KOLEV,STOJJKO Z.;KHRISTOV,KNCHO A.;DRAGANOV,VASIL R.
分类号
B23G9/00;(IPC1-7):B23G9/00
主分类号
B23G9/00
代理机构
代理人
主权项
地址
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