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发明名称
IMPROVEMENTS IN ROTARY VALVES
摘要
申请公布号
HK46078(A)
申请公布日期
1978.08.25
申请号
HK19780000460
申请日期
1978.08.17
申请人
WHITEY RESEARCH TOOL CO
发明人
分类号
F16K5/06;F16K27/06;F16L23/00;(IPC1-7):F16K31/60
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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