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发明名称
DOUBLE VALVE ASSEMBLY
摘要
申请公布号
GB8308571(D0)
申请公布日期
1983.05.05
申请号
GB19830008571
申请日期
1983.03.29
申请人
HYLSA SA
发明人
分类号
B01J3/02;B01J8/00;B65G53/46;(IPC1-7):F16K1/20
主分类号
B01J3/02
代理机构
代理人
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