SEARCH RESULTS for assignor:"LU, FENG; LI, GUANGBO; CHEN, XIAOSHENG; MAK, CHILUN; SU, JIANKUN" AND day:[2019-08-09T00:00:00Z TO 2019-08-09T23:59:59Z]

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(X0) 15537535: A DEVICE FOR ASSISTING NAVIGATION

(A1) 20170354566: A DEVICE FOR ASSISTING NAVIGATION