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发明名称
Analyseur de gaz portatif à fonctionnement automatique et à lecture directe
摘要
申请公布号
FR820881(A)
申请公布日期
1937.11.20
申请号
FRD820881
申请日期
1937.04.21
申请人
发明人
SPRAGUE PHILIP TRIPP;SPRAGUE CHARLES ALBERT;SOLLER ARNOLD
分类号
G01N7/04
主分类号
G01N7/04
代理机构
代理人
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