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发明名称
HOLLOW ARTICLES PRODUCTION METHOD
摘要
申请公布号
SU946746(A1)
申请公布日期
1982.07.30
申请号
SU19762414061
申请日期
1976.10.11
申请人
BUNTSIS LAZAR M,SU
发明人
BUNTSIS LAZAR M,SU
分类号
B21D51/04;B26B19/00;(IPC1-7):B21D51/04
主分类号
B21D51/04
代理机构
代理人
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