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经营范围
发明名称
Procédé et dispositif pour la fabrication des masques à gaz
摘要
申请公布号
FR50971(E)
申请公布日期
1941.05.19
申请号
FRD50971
申请日期
1939.12.07
申请人
发明人
LEJEUNE EMILE, JEAN, ALBERT
分类号
A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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