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发明名称
Quick acting obturating flap valve
摘要
申请公布号
US2221269(A)
申请公布日期
1940.11.12
申请号
US19380192270
申请日期
1938.02.24
申请人
ANTOINE SERTILLANGE MAURICE
发明人
SERTILLANGE MAURICE ANTOINE
分类号
F16K1/24;F16K31/50
主分类号
F16K1/24
代理机构
代理人
主权项
地址
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