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发明名称
BUTTERFLY VALVE
摘要
申请公布号
GB2199641(B)
申请公布日期
1990.12.12
申请号
GB19870030070
申请日期
1987.12.23
申请人
AKTIEBOLAGET * SOMAS VENTILER
发明人
FOLKE * HUBERTSON
分类号
F16K1/226
主分类号
F16K1/226
代理机构
代理人
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地址
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