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发明名称
An apparatus for automatic visual and/or acoustic signalling of the presence of an inflammable gas in any atmosphere
摘要
申请公布号
GB713807(A)
申请公布日期
1954.08.18
申请号
GB19520008191
申请日期
1952.03.31
申请人
MARCELLO LORENZETTO
发明人
分类号
F17D5/00;G01N25/30;G01N25/38
主分类号
F17D5/00
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