How to cite this article:
S. Abdullah, E. Adril, A. Muchtar and A.K. Ariffin, 2010. Friction Reduction in Compressed Natural Gas Direct Injection Engine using Piston Rings with Diffusion Chromium Coating. Journal of Applied Sciences, 10: 462-470. DOI: 10.3923/jas.2010.462.470 URL: https://scialert.net/abstract/?doi=jas.2010.462.470
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