申请人 |
OTIS ELEVATOR COMPANY;YE, KE;CHEN, YANYING;TIAN, RUOMING;HE, SONGJIAN;WANG, SHOUHONG;ZHAO, RUZHUANG;WU, COLIU;MAI, ZHIGAO;HUANG, YONGJUN |
发明人 |
YE, KE;CHEN, YANYING;TIAN, RUOMING;HE, SONGJIAN;WANG, SHOUHONG;ZHAO, RUZHUANG;WU, COLIU;MAI, ZHIGAO;HUANG, YONGJUN |