China Petro-Chemical Corp. and others

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger tube, a method for making the same, and a cracking f...
- Patent number 6,481,492
- Issue date Nov 19, 2002
- China Petro-Chemical Corp. and others
- Yaoxiao Zhu
- F28 - HEAT EXCHANGE IN GENERAL