Liangsheng Ai

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Changsha, CN

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Patents Grantslast 30 patents

Information Patent Grant
Continuous rotary injection molding machine
- Patent number 8,651,854
- Issue date Feb 18, 2014
- Hunan China Sun Pharmaceutical Machinery Co. Ltd.
- Liangsheng Ai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
CONTINUOUS ROTARY INJECTION MOLDING MACHINE
- Publication number 20120231110
- Publication date Sep 13, 2012
- Liangsheng Ai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL