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VERFAHREN ZUM HERABSETZEN DER FROSTHEBUNG DES BODENS

申请公布号:DE2735843(A1)

申请号:DE19772735843

申请日期:1977.08.09

申请公布日期:1978.06.15

申请人:
SEIKEN REIKI K.K.

发明人:TAKASHI,TSUTOMU

分类号:E02D19/14;C09K17/32;E02D31/14;(IPC1-7):E02D19/14

主分类号:E02D19/14

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