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发明名称
Clapet de non-retour
摘要
申请公布号
FR1334897(A)
申请公布日期
1963.08.09
申请号
FR19620911167
申请日期
1962.10.03
申请人
发明人
RAMSDEN CLEMENT
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
主权项
地址
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