国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25D（2）
IPC
发明人 MA J（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Cylinder seat assembly for use in piston compressor of refrigerator, has cylinder seat provided with crankshaft supporting cylinder, and crankshaft arranged in sliding sleeve, where hardness of sliding sleeve is less than hardness of crankshaft cylinder and crankshaft.

MA J, ZHENG H, HU W, SHI Z, JIA B, LI Y

Integrated production device of metal conductive graphene, has integrated growth mold pressing chamber that is provided with heating system, heat compression mold and fixture metal material, and fixture is located between male and female molds.

SHAO L, HUANG D, DUAN Y, JIANG H, MA J, YU J, LI X, SHI H, XU X