About Hechang Yang
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SUNBACK by Hechang Yang (Track this)
Intl: (005) Pharmaceuticals US: 006; 018; 044; 046; 051; 052 Filing date: 24-Apr-2015 Serial number: 86608378
DIAB-OUST by Hechang Yang (Track this)
Intl: (005) Pharmaceuticals US: 006; 018; 044; 046; 051; 052 Filing date: 12-Jun-2014 Serial number: 86307415
DIAB-FREE by Hechang Yang (Track this)
Intl: (005) Pharmaceuticals US: 006; 018; 044; 046; 051; 052 Filing date: 21-Feb-2014 Serial number: 86200185