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发明名称
VALVOLA A SARACINESCA SCORREVOLE PERFEZIONATA E PROCEDIMENTO PER LA SUA FABBRICAZIONE
摘要
申请公布号
IT1099954(B)
申请公布日期
1985.09.28
申请号
IT19780028840
申请日期
1978.10.17
申请人
GENERAL REFRACTORIES CO
发明人
分类号
C04B35/63;B22D37/00;B22D41/30;B22D41/32;(IPC1-7):F16K/
主分类号
C04B35/63
代理机构
代理人
主权项
地址
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