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发明名称
Dispositif de circulation continue d'air épuré pour la protection collective contre les gaz toxiques
摘要
申请公布号
FR49223(E)
申请公布日期
1938.12.07
申请号
FRD49223
申请日期
1938.02.11
申请人
SOCIETA ITALIANA COSTRUZIONI ANTIGAS "S.I.C.A." S.A.
发明人
分类号
A62B15/00
主分类号
A62B15/00
代理机构
代理人
主权项
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