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                            Environmentally friendly constant temperature and humidity test chamber2018-12-06 15:56:05 | 
                    
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                            C062 Manual hydraulic rock direct shear box machine2020-10-20 11:52:29 | 
                    
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                            C064 Rock specimen surface grinding machine2020-10-21 17:19:14 | 
                    
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                            XF-A6 Handheld gold x ray gold identification machine2021-07-26 17:40:44 |