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发明名称
摘要
申请公布号
FR2128327(A1)
申请公布日期
1972.10.20
申请号
FR19720004833
申请日期
1972.02.14
申请人
PIRELLI
发明人
分类号
B29D30/70;(IPC1-7):29H7/00;29H17/00
主分类号
B29D30/70
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