国家/地区 中国（2）
IPC部 H（2）
IPC大类
IPC小类
IPC
发明人
公开年 2022（2）
申请年 2022（2）
专利权人 PINGGAO GROUP CO LTD（2）

Copper tungsten contact comprises copper powder, tungsten powder and graphene, where tungsten powder includes first tungsten powder and second tungsten powder.

HAO L, SUN K, DUAN X, HUANG J, HOU M, PENG X, CHEN W, FANG B, SUN Y, WEI J, LI K, MIAO X, LI M, YANG X, LI W, LV J, ZHANG C

Air box assembly has gas box, whose top unit is set with opening, opening is hermetically installed with sealing gas bag, sealed airbag, and inner cavity communicates with air box, sealing airbag connects with inlet sleeve pipe, and sleeve pipe outlet.

GUO P, ZHU K, HU K, WANG T, FAN J, GAO Z, YAN Z, ZHANG M, ZHANG H, GUO Y, QIN Y, NIU P, GAO S, ZHAO H, HOU B