国家/地区 中国（3）
IPC部 B（3）
IPC大类 B05（3）
IPC小类 B05D（3）
IPC C09D179/08（3）
发明人
公开年 2022（3）
申请年 2022（3） 
专利权人

High temperature resistant and acid-resistant coating applied to tail gas device of calcination rotary kiln comprises steel plate, outer side of steel plate is coated with insulating coating, inner wall of steel plate is coated with inner coating,.

ZHANG W, ZHAO G

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

Preparing multi-component cold chain lunch box partitioned temperature-controlled packaging for microwave reheating comprises coating first heating zone film liquid second heating zone film liquid and third heating zone film liquid on multi-component lunch boxes.

LI Z, SHI J, ZHANG J, ZOU X