国家/地区 中国（2）
IPC部 B（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/61（2）
发明人
公开年 2022（2）
申请年
专利权人

Preparing multi-composite processing self-lubricating steel bushing useful for preparing bushing, comprises e.g. quenching the bushing blank and tempering, roughly processing the bushing blank, then carrying out salt bath sulfur carbonitriding treatment and performing first spraying.

YIN M

High-temperature aluminum alloy for floor heating pipe, comprises aluminum alloy tube base and corrosion-resistant coating, where aluminum alloy tube matrix includes silicon, iron, copper, magnesium, boron, bismuth, titanium, scandium and nickel.

PAN Z, XIONG M, YUAN X