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发明名称
Adjustable check valve
摘要
申请公布号
GB2029548(A)
申请公布日期
1980.03.19
申请号
GB19780036316
申请日期
1978.09.11
申请人
JAEKEL G
发明人
分类号
F16K15/04;F16K15/18;F16K17/04;F16K47/02;(IPC1-7):F16K15/18
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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