国家/地区 |
中国(4)![]() |
IPC部 |
C(4)![]() |
IPC大类 | C09(4) |
IPC小类 |
C09D(4)![]() |
IPC |
C09D007/62(4)![]() |
发明人 |
WEI S(4)![]() |
公开年 | 2021(2) |
申请年 | 2021(3) |
专利权人 | YADEA TECHNO.(2) ZHENGZHOU GR.(2) |
CUI J, ZHU G, WEI S, WEI K, GUO X, LIU S, QIAO J, CUI D
ZHANG Y, SUN L, WEI S, CAI T, WANG D
ZHANG Y, SUN L, WEI S, CAI T, WANG D
QIAO J, LIU S, GUO X, WEI K, WEI S, ZHU G, CUI J, CUI D