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发明名称
Procédé pour la fabrication de masques à gaz et objets de forme analogue comportant des fenêtres de visée
摘要
申请公布号
FR817798(A)
申请公布日期
1937.09.10
申请号
FRD817798
申请日期
1937.02.12
申请人
发明人
STOCK PAUL
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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