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发明名称
PERFEZIONAMENTO NELLE VALVOLE O IN FLEMENTI AD ESSE RELATIVI
摘要
申请公布号
IT1042993(B)
申请公布日期
1980.01.30
申请号
IT19750027798
申请日期
1975.09.30
申请人
发明人
分类号
F16K31/68;F16K11/22;F24D3/00;F24D3/10;F24H9/12;G05D23/12;(IPC1-7):F16K/
主分类号
F16K31/68
代理机构
代理人
主权项
地址
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