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发明名称
Metod att indikera frosthalka på vägbanor
摘要
申请公布号
SE9704383(D0)
申请公布日期
1997.11.28
申请号
SE19970004383
申请日期
1997.11.28
申请人
FREDRIK JOHANSSON;LARS SVENSSON
发明人
FREDRIK *JOHANSSON;LARS *SVENSSON
分类号
E01F;(IPC1-7):E01F/
主分类号
E01F
代理机构
代理人
主权项
地址
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