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发明名称
Perfectionnements aux détecteurs de gaz combustibles
摘要
申请公布号
FR1077430(A)
申请公布日期
1954.11.08
申请号
FRD1077430
申请日期
1953.05.19
申请人
CHARBONNAGES DE FRANCE
发明人
分类号
G01N27/16
主分类号
G01N27/16
代理机构
代理人
主权项
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