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发明名称
Dispositif de sécurité pour compartiments et chambres exposés au danger d'explosion
摘要
申请公布号
FR824466(A)
申请公布日期
1938.02.09
申请号
FRD824466
申请日期
1937.07.16
申请人
W. C. HERAEUS GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
E04B1/98
主分类号
E04B1/98
代理机构
代理人
主权项
地址
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