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经营范围
发明名称
Dispositif d'isolation thermique
摘要
申请公布号
FR791939(A)
申请公布日期
1935.12.19
申请号
FRD791939
申请日期
1935.07.01
申请人
发明人
JOHAN BENNETTER, SIGVART,
分类号
E04B1/80
主分类号
E04B1/80
代理机构
代理人
主权项
地址
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