国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B29（2）
IPC小类 B29C（2）
IPC C09D001/00（2）
发明人
公开年
申请年 2021（2）
专利权人

Polyester fiber carbon neutralizing sound absorbing plate comprises a polyester fiber sound absorbing plate base body (polyester fiber, and nano carbon material, acetylene black, carbon nano-tube and graphene oxide).

ZHANG H, ZHOU T, WU S

Honeycomb filter core useful for air purifier, has filter core body, frame, and cover plate, where cover plate is plugged into top of filter core body, filter core body is slidingly connected with inner wall of frame and inner wall of filter core body is slidably inserted with net-shaped clapboard.

JIN S