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2020/01/09
ZC3-D and ZC3-W all support the new industry standard JGJ/T23-2011.
The Ministry of Housing and Urban-Rural Development now approves the "rebound method for testing the compressive strength of concrete technical procedures" for the industry standard, No. JGJ/T23-2011, since December 1, 2011 onwards. The original industry standard "rebound method for testing the compressive strength of concrete technical procedures" JGJ/T23-2001 is abolished at the same time.
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