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发明名称
Procédé et dispositif pour signaler l'épuisement des filtres et des épurateurs antigaz
摘要
申请公布号
FR48588(E)
申请公布日期
1938.04.05
申请号
FRD48588
申请日期
1937.07.02
申请人
SOCIETA ITALIANA PIRELLI
发明人
分类号
A62B18/08
主分类号
A62B18/08
代理机构
代理人
主权项
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