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发明名称
Self-cleaning poppet spool valve
摘要
申请公布号
US3384122(A)
申请公布日期
1968.05.21
申请号
US19650471027
申请日期
1965.07.12
申请人
KINGSLEY A. DOUTT
发明人
HARPMAN WEBSTER B.
分类号
F15B13/043
主分类号
F15B13/043
代理机构
代理人
主权项
地址
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