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发明名称
Rapid action valve shut-off devices
摘要
申请公布号
GB492750(A)
申请公布日期
1938.09.26
申请号
GB19370005559
申请日期
1937.02.24
申请人
MAURICE ANTOINE SERTILLANGE
发明人
分类号
F16K31/56
主分类号
F16K31/56
代理机构
代理人
主权项
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