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发明名称
Fremgangsmaade til Fremstilling af pulverformede Asfaltbitumenkompositioner.
摘要
申请公布号
DK64809(C)
申请公布日期
1946.09.16
申请号
DK19440000662
申请日期
1944.03.07
申请人
N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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