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经营范围
发明名称
Treatment of rock asphalt, oil shales, and like material
摘要
申请公布号
US2524859(A)
申请公布日期
1950.10.10
申请号
US19460687061
申请日期
1946.07.30
申请人
FOSTER WHEELER CORPORATION
发明人
DONGEN LEENDERT F. K. VAN
分类号
C10G1/04
主分类号
C10G1/04
代理机构
代理人
主权项
地址
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