SEARCH RESULTS for assignor:"ZHANG, QUAN; HU, FEI" AND day:[2018-11-28T00:00:00Z TO 2018-11-28T23:59:59Z]

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(X0) 14891661: LIGHT-EMITTING DEVICE AND STAGE LAMP SYSTEM

(A1) 20160131315: LIGHT-EMITTING DEVICE AND STAGE LAMP SYSTEM

(B2) 1: LIGHT-EMITTING DEVICE AND STAGE LAMP SYSTEM

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