国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2） H05（2）
IPC小类 C04B（2）
IPC C04B033/04（2）
发明人
公开年
申请年 2022（2）
专利权人

Heat generating rock plate comprises waterproof insulation layer, circuit layer, graphene coating and rock plate layer arranged in sequence from bottom to top, where rock plate comprises green body and bottom glaze layer and surface glaze layer covered on blank.

GU W, XU Y, WANG J, ZHONG B

Electro-thermal film ceramic kettle useful in electric furnace, comprises glaze, electro-thermal film and ceramic kettle body comprising kaolin e.g. aluminum oxide, silicon dioxide, potassium, sodium, calcium, iron and unavoidable impurities, and spodumene e.g. lithium oxide, potassium and iron.

LONG T, XU H