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发明名称
Fremgangsmaade til Tætning og Styrkelse af gennemtrængelige eller løse Jordlag og lignende porøse Masser.
摘要
申请公布号
DK53257(C)
申请公布日期
1937.06.21
申请号
DKD53257
申请日期
1935.12.07
申请人
NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MIJ.
发明人
分类号
主分类号
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