Dual Pore Engler Viscometer for Petroleum Products K20=(51±1)s
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... of the GB/T 266 standard Test Method for Engler Viscosity Petroleum Products and GB/T24209 of the People's Republic of China. Applicable standards:YB/T5030-1993, GB/T266, GB/......
Shandong Shengtai instrument co.,ltd
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