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发明名称
Dispositif d'étanchéité pour lanterne anti-déflagrante ou analogue
摘要
申请公布号
FR1159442(A)
申请公布日期
1958.06.27
申请号
FRD1159442
申请日期
1956.10.29
申请人
CH. ET J. GRIMMEISEN
发明人
分类号
F21L23/00
主分类号
F21L23/00
代理机构
代理人
主权项
地址
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