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经营范围
发明名称
Procédé électrique pour la distillation du pétrole
摘要
申请公布号
FR721372(A)
申请公布日期
1932.03.02
申请号
FRD721372
申请日期
1931.08.14
申请人
发明人
KREMP JULES;LEAUTEY MARCEL
分类号
C10G7/00
主分类号
C10G7/00
代理机构
代理人
主权项
地址
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