国家/地区 中国（3）
IPC部 B（3）
IPC大类 B08（3）
IPC小类 B08B（3）
IPC B08B003/08（3）
发明人
公开年 2021（3）
申请年 2021（3） 
专利权人

Preparation of medicinal aluminum-plastic composite cover for e.g. medicine packaging, involves preparing modified plastic component using e.g. polypropylene, compatibilizer and e.g. ethylene-vinyl alcohol copolymer, adding modified aluminum component, stamping and compounding.

HUANG H, LIU J, JIANG C, HUANG T, GUAN J, ZHANG D, GUO F, ZHAO G, HUANG L

Winding machine used for processing buzzer has side table surface provided with coil roller for winding copper wire, machine table surface provided with rotating box for fixing buzzer, rotating box provided with rubber layer, and winding machine table surface provided with pressing component.

YAO H

Laboratory device useful for preparing graphene from tar residue comprises box body fixed on screen frame, liquid pump set in washing tank, and cushion frame integrated centrifugal separation and drying machine set with inlet of ball mill.

WANG X, WU B, LI X, ZHU W, XU W, XU X, WANG Z, ZHANG Z, LIAN B