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经营范围
发明名称
Rampe annulaire amovible pour foyer de gazogène
摘要
申请公布号
FR52398(E)
申请公布日期
1944.03.14
申请号
FRD52398
申请日期
1942.05.22
申请人
发明人
DURAND PAUL-EMILE-HENRI
分类号
C10J3/80
主分类号
C10J3/80
代理机构
代理人
主权项
地址
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