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发明名称
Non-return valve
摘要
申请公布号
US3176712(A)
申请公布日期
1965.04.06
申请号
US19620225568
申请日期
1962.09.24
申请人
CLEMENT RAMSDEN
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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