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发明名称
VALVE
摘要
申请公布号
GB1565424(A)
申请公布日期
1980.04.23
申请号
GB19770007938
申请日期
1977.02.24
申请人
BJOERKLUND C
发明人
分类号
F16K31/06;F16K1/12;F23K5/02;F23K5/14;(IPC1-7):F16K23/00;F16K31/02
主分类号
F16K31/06
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代理人
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