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发明名称
BUTTERFLY VALVE
摘要
申请公布号
GB9302740(D0)
申请公布日期
1993.03.24
申请号
GB19930002740
申请日期
1993.02.11
申请人
BACH SA
发明人
分类号
F16K1/226
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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