国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 D01D（2）
IPC
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Preparing graphene cloud velvet comprises e.g. producing raw material for recycling, recycling the production raw material, crushing the production raw material, extruding and melting the raw material by screw, placing into three-layer oven for heat setting.

DAI Q, LI J, LI C, XIU Q, GAI X

Graphene type heart support useful in cardiac interventional operation, comprises graphene, polylactic acid, polybutylene adipate, and polyglyceryl sebacate.

YANG L