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Yanqing District, Beijing, CN
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Patent Grant
Container-type biogas purification film method purification system
Patent number
9,975,085
Issue date
May 22, 2018
BEIJING HELEE BIO-ENERGY LTD.
Wenzhi Pan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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last 30 patents
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Patent Application
CONTAINER-TYPE BIOGAS PURIFICATION FILM METHOD PURIFICATION SYSTEM
Publication number
20160166980
Publication date
Jun 16, 2016
BEIJING HELEE BIO-ENERGY LTD.
Wenzhi Pan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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