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发明名称
SPOOL VALVE
摘要
申请公布号
GB8315617(D0)
申请公布日期
1983.07.13
申请号
GB19830015617
申请日期
1983.06.07
申请人
AUTOMATIC SWITCH CO
发明人
分类号
F16K31/40;F16K27/04;F16K31/06;F16K31/42;(IPC1-7):F16K11/07
主分类号
F16K31/40
代理机构
代理人
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