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发明名称
A BUTTERFLY VALVE
摘要
申请公布号
GB2182118(B)
申请公布日期
1989.09.06
申请号
GB19860021188
申请日期
1986.09.02
申请人
SIEGFRIED * SCHERTLER
发明人
FRIEDRICH * GEISER
分类号
F16K1/24;F16K31/528
主分类号
F16K1/24
代理机构
代理人
主权项
地址
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