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经营范围
发明名称
METHOD OF DRAWING HOLLOW ARTICLES FROM SHEET BLANK
摘要
申请公布号
SU1344463(A1)
申请公布日期
1987.10.15
申请号
SU19864046781
申请日期
1986.04.03
申请人
CH POLT I IM.LENINSKOGO KOMSOMOLA
发明人
KOLESOV YURIJ B,SU
分类号
B21D22/20
主分类号
B21D22/20
代理机构
代理人
主权项
地址
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