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发明名称
ASPHALT MANUFACTURE
摘要
申请公布号
CA324794(A)
申请公布日期
1932.08.02
申请号
CAD324794
申请日期
申请人
NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
HERMAN THEODOOR SWERISSEN
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