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发明名称
VANNE A OBTURATEUR A SPHERE PARTIELLE
摘要
申请公布号
BE878847(A1)
申请公布日期
1980.01.16
申请号
BE19790197192
申请日期
1979.09.18
申请人
ROCKX CLEMENT;BECART LOUIS
发明人
分类号
F16K5/06;(IPC1-7):F16K/
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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