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发明名称
METHOD OF TRAINING HELICAL SPRINGS
摘要
申请公布号
SU1299688(A1)
申请公布日期
1987.03.30
申请号
SU19843832175
申请日期
1984.12.25
申请人
OMSKIJ SELSKOKHOZYAJST I
发明人
EFIMOV VIKTOR P,SU
分类号
B21F35/00
主分类号
B21F35/00
代理机构
代理人
主权项
地址
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