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发明名称
Self-centering valve with spring of slight lateral stability
摘要
申请公布号
US2694411(A)
申请公布日期
1954.11.16
申请号
US19510217155
申请日期
1951.03.23
申请人
ETABLISSEMENTS NEYRPIC
发明人
PONSAR YVES
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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