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经营范围
发明名称
Dispositif pour prolonger la durée d'existence de creusets
摘要
申请公布号
FR901422(A)
申请公布日期
1945.07.26
申请号
FRD901422
申请日期
1944.01.21
申请人
RUDOLF RAUTENBACH
发明人
分类号
F27B14/10
主分类号
F27B14/10
代理机构
代理人
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地址
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