国家/地区 中国（3）
IPC部 B（3）
IPC大类 B65（3）
IPC小类 B65D（3）
IPC
发明人 WANG C（3）
公开年 2021（3）
申请年 2020（3） 
专利权人

Graphene alkenyl electrode material storage device, has first conical gear whose outer side is connected with outer meshing connection of second conical gear, and rotating shaft whose top part is fixedly connected with fan blade.

ZHAO Q, WANG C, ZHANG S, OUYANG Q, HU M, JIANG G

Environmentally-friendly degradable food-grade antibacterial plastic packaging film.

CHEN M, TANG H, WANG C

Embossing vacuum bag, has first bag whose upper end is provided with first sealing strip, where upper end of first bag is provided with second sealing strip, and first opening located above second sealing strip.

LIU Z, WANG C, CHEN Y, GONG L