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发明名称
Procedimento e dispositivo per la confezione di strutture anulari costituite da un unico elemento continuo filiforme, elementare o composto, disposto ad elica attorno ad un asse circolare immaginario
摘要
申请公布号
CH389548(A)
申请公布日期
1965.03.31
申请号
CH19630005376
申请日期
1963.04.29
申请人
PIRELLI SOCIETA PER AZIONI
发明人
VANZO,MARCELLO
分类号
B21F3/00;B29D30/48;(IPC1-7):B29H17/32
主分类号
B21F3/00
代理机构
代理人
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