Extract from the Register of European Patents

EP Citations: EP3822818

Cited inSearch
Type:Patent literature
Publication No.:US2018181648  [XI]
 (CHEN YANFENG [CN]) [X] 1,10-13 * paragraphs [0002] , [00 6] , [0 25] , [0 41] - [0046]; figures 4, 5 *[I] 2-9