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  • [发明专利]JP20140190371 _ 株式会社共立電照 2014年09月18日
    PROBLEM TO BE SOLVED: To provide a luminaire that includes a filter cover for illumination capable of preventing occurrence of a heat crack due to an environmental temperature and peeling or deterioration of a coating with the heat crack, and capable ...
  • [发明专利]JP20140080695 _ 堤維西交通工業股▲分▼有限公司 2014年04月10日
    A light guide device (30) includes a light guide (3) that has a light reflective side (31) and a light exit side (32). The light reflective side (31) has first reflective segments (311) and second reflective segments (312). The first reflective segmen...
  • [发明专利]JP20140067319 _ 日立造船株式会社 2014年03月28日
    The invention provides a denitrification rate measuring method and a measuring device for an engine. A first zirconia NOx sensor which can detect NOx concentration between an engine and a catalytic denitrification device in an exhaust gas path, and a ...
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