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Fengtai District, Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Ground source heat pump integrated controller and method of achievi...
Patent number
9,958,169
Issue date
May 1, 2018
BEIJING HECHUANG SANZEN ENERGY TECH. STOCK CORPORATION
HongXia Li
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
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Patent Application
GROUND SOURCE HEAT PUMP INTEGRATED CONTROLLER AND METHOD OF ACHIEVI...
Publication number
20160123604
Publication date
May 5, 2016
BEIJING HECHUANG SANZEN ENERGY TECH. STOCK CORPORATION
HongXia LI
F24 - HEATING RANGES VENTILATING
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