Petrochina North China Petrochemical Company

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Renqui, Hebei, CN

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Method and apparatus for waste heat recovery and absorption gases u...
- Patent number 8,544,284
- Issue date Oct 1, 2013
- Petrochina North China Petrochemical Company
- Junjie Gu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

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