The annular mah-jong pushing device and automatic mahjong-playing machine of automatic mahjong-playing machine
The annular mah-jong pushing device and automatic mahjong-playing machine of automatic mahjong-playing machine
- CN 207,928,699 U
- Filed: 07/07/2017
- Issued: 10/02/2018
- Est. Priority Date: 08/30/2016
- Status: Active Grant
- EN CH
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- Pin
