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经营范围
发明名称
Procédé de production de gaz mixte de houille
摘要
申请公布号
FR1076369(A)
申请公布日期
1954.10.26
申请号
FRD1076369
申请日期
1953.03.30
申请人
发明人
HELLWIG FERNAND
分类号
C10J3/00
主分类号
C10J3/00
代理机构
代理人
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