专利类型: 相变材料专利导航公开（公告）号: JP2875903B2申请日: 1991-04-25申请局: JP原始专利权人: TOKYO ELECTRIC POWER CO INC:THE | MAYEKAWA MFG CO LTD | ASAHI DENKA KOGYO KK当前专利权人: Adeka Corp | Tokyo Electric Power Co Inc | Mayekawa Manufacturing Co
