GENEVA, Dec. 1 -- ART METAL MFG. CO., LTD. (2-43, Tokiwagi 2-chome, Ueda-shi, Nagano3860027), アート金属工業株式会社 (長野県上田市常磐城2丁目2番43号), SHINSHU UNIVERSITY (3-1-1, Asahi, Matsumoto City, Nagano3908621), 国立大学法人信州大学 (長野県松本市旭三丁目1番1号) filed a patent application (PCT/JP2025/016372) for "PISTON FOR INTERNAL COMBUSTION ENGINE, HEAT SHIELDING FILM, AND COATING MATERIAL FOR HEAT SHIELDING FILM FORMATIO...
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