LUO YANG RUICHANG PETRO-CHEMICAL EQUIPMENT CO., LTD

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Henan, CN

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

Information Patent Application
ARC-SHAPED PLATE HEAT EXCHANGER
- Publication number 20170328645
- Publication date Nov 16, 2017
- LUOYANG RUICHANG PETRO-CHEMICAL EQUIPMENT CO., LTD.
- Song SHAO
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
METAL CAVITY INWALL DECOKING METHOD
- Publication number 20170233656
- Publication date Aug 17, 2017
- LUO YANG RUICHANG PETRO-CHEMICAL EQUIPMENT CO., LTD
- Song SHAO
- B08 - CLEANING
Information Patent Application
NONMETAL CORROSION-RESISTANT HEAT EXCHANGE DEVICE AND PLATE-TYPE HE...
- Publication number 20160116233
- Publication date Apr 28, 2016
- LUO YANG RUICHANG PETRO-CHEMICAL EQUIPMENT CO., LTD
- SONG SHAO
- F28 - HEAT EXCHANGE IN GENERAL

Trademarklast 30 trademarks