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发明名称
Rotary 3-way helical valve
摘要
申请公布号
US3136339(A)
申请公布日期
1964.06.09
申请号
US19610104096
申请日期
1961.04.19
申请人
PICKFORD EXPERIMENTAL COMPANY LIMITED
发明人
CHAMPION CUTHBERT LLEWELLYN
分类号
F16K11/20
主分类号
F16K11/20
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