国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29B（2）
IPC
发明人 MIAO Y（2）
公开年 2022（2）
申请年
专利权人

Modified extruding device for preparing graphene color master batch, has two fixing buckles that are connected by bolt, and outer wall of fixing cylinder is provided with feeding mechanism.

MIAO Y

Mixed fiber preform reinforced composite material useful in three-dimensional mixed-woven polyimide reinforced polyformaldehyde composite material, has e.g. fiber perform, namely three-dimensional fabric woven by two to five fibers.

CHEN Z, XIAO Q, MIAO Y