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发明名称
Procédé et dispositif de fabrication d'objets métalliques à épaisseur variable
摘要
申请公布号
CH501444(A)
申请公布日期
1971.01.15
申请号
CH19680000706
申请日期
1968.01.17
申请人
POLITECHNIKA WARSZAWSKA
发明人
MARCINIAK,ZDZISLAW,DR.
分类号
B21J9/02;B21J9/06;(IPC1-7):B21J5/08
主分类号
B21J9/02
代理机构
代理人
主权项
地址
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