Alexandr Mikhailovich Efremov

Person

  • St.-Petersburg_, RU

Patents Applicationslast 30 patents

  • Information Patent Application

    Thermochromic material

    • Publication number 20040182284
    • Publication date Sep 23, 2004
    • Anna Vasilievna Belykh
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES