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发明名称
Two-stage valve for torch devices
摘要
申请公布号
US2763322(A)
申请公布日期
1956.09.18
申请号
US19510243663
申请日期
1951.08.25
申请人
NATIONAL CYLINDER GAS COMPANY
发明人
EICHELMAN FRANCIS J.
分类号
A61B5/0235;F16K7/16;F23D14/46
主分类号
A61B5/0235
代理机构
代理人
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地址
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