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发明名称
APERFEICOAMENTOS EM MATRIZ PARA PRODUCAO DE FILMES TERMOPLASTICOS TUBULARES
摘要
申请公布号
BR7606848(A)
申请公布日期
1978.05.09
申请号
BR19760006848
申请日期
1976.10.13
申请人
WALKER A
发明人
WALKER A
分类号
(IPC1-7):B29D23/04
主分类号
(IPC1-7):B29D23/04
代理机构
代理人
主权项
地址
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