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经营范围
发明名称
Process for simultaneously obtaining refined mineral oils and pure bitumen from crude mineral oils
摘要
申请公布号
GB330565(A)
申请公布日期
1930.06.10
申请号
GB19290007728
申请日期
1929.03.09
申请人
NAAMLOOZE VENNOOTSCHAP: MIJNBOUW-EN CULTUURMAATSCHAPPIJ "BOETON"
发明人
分类号
C10G29/12
主分类号
C10G29/12
代理机构
代理人
主权项
地址
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