Chenggong Ma

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Xi'an, CN

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Patents Applicationslast 30 patents

Information Patent Application
HANDHELD AEROSOL FIRE EXTINGUISHING APPARATUS
- Publication number 20130175061
- Publication date Jul 11, 2013
- SHAANXI J & R FIRE FIGHTING CO., LTD.
- Hongbao Guo
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
AEROSOL FIRE SUPPRESSION APPARATUS WITH HIGH TEMPERATURE ABLATION R...
- Publication number 20120217026
- Publication date Aug 30, 2012
- SHAANXI J & R FIRE FIGHTING CO. LTD.
- Hongbao Guo
- A62 - LIFE-SAVING FIRE-FIGHTING