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发明名称
ADJUSTABLE CHECK VALVE
摘要
申请公布号
US4112959(A)
申请公布日期
1978.09.12
申请号
US19770789992
申请日期
1977.04.22
申请人
JAEKEL, GUNTER R.
发明人
JAEKEL, GUNTER R.
分类号
F16K15/04;(IPC1-7):F16K31/36
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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