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发明名称
SOUPAPE A BILLE AVEC SOUPAPE DE RETENUE INCORPOREE
摘要
申请公布号
FR2562981(B1)
申请公布日期
1989.05.19
申请号
FR19850005823
申请日期
1985.04.17
申请人
CALEFFI SPA
发明人
CALEFFI FRANCO
分类号
F16K5/06;F16K15/18;(IPC1-7):F16K15/18
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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