国家/地区 |
中国(8)![]() |
IPC部 |
C(8)![]() |
IPC大类 | C09(8) |
IPC小类 |
C09D(8)![]() |
IPC |
C09D005/08(8)![]() |
发明人 |
FENG J(8)![]() |
公开年 | 2020(4) 2019(2) |
申请年 | 2020(4) 2019(2) |
专利权人 | SHANGHAI GRA.(3) DONGFENG COM.(2) |
DONG K, GENG H, LI G, FENG Y, FENG J
FENG J, WANG F, LIU X, CHEN J, CAI G, MAO J
ZHANG H, FENG J, SHEN L, CHEN W
ZHANG H, FENG J, SHEN L, CHEN W
ZHANG H, FENG J, SHEN L, CHEN W
WANG X, ZHONG X, FENG J, LIU L, WANG R, JIANG Y, CHEN M
WANG X, ZHONG X, FENG J, LIU L, WANG R, JIANG Y, CHEN M