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发明名称
Multi-way rotary valve structure
摘要
申请公布号
US3085594(A)
申请公布日期
1963.04.16
申请号
US19610126834
申请日期
1961.07.18
申请人
SPRAGENS GEORGE F
发明人
SPRAGENS GEORGE F.
分类号
F16K11/074
主分类号
F16K11/074
代理机构
代理人
主权项
地址
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PIPE BATT
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