专利类型: 相变材料专利导航公开（公告）号: JP2582850B2申请日: 1988-03-28申请局: JP原始专利权人: MITSUBISHI PETROCHEM CO LTD | MITSUBISHI PETROCHEM ENG CO LTD当前专利权人: Mitsubishi Chemical Corp | Mitsubishi Chemical Engineering Corp
