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                            Shengli SL-2818 Leakage Detector for Buried Pipeline Coatings  | 
                       
                      
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                            Shengli SL-5088PCM Detection and Assessment System for Buried Pipeline Outer Anti-corrosive Coating  | 
                       
                      
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                            Shengli SL-5088PCM Detection and Assessment System (updated) for Buried Pipeline Outer Anti-corrosive Coating  | 
                       
                      
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                            Shengli SL-3088C Detector for Anti-corrosive Coating Conditions on Buried Pipelines  | 
                       
                      
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                            Shengli SL-6 Leakage Detector for Underground Metal Pipeline Anti-corrosive Coatings  | 
                       
                      
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                            Shengli SL-5 Leakage Detector for Underground Pipeline Coatings  | 
                       
                      
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                            Shengli SL-3008ACVG Alternating Current 30W Potential Gradient Detector  | 
                       
                      
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                            Shengli SL-5028ACVG Alternating Current 120W Potential Gradient Detector  | 
                       
                      
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                            Shengli SL-206B Underground Cable Failure Locator  | 
                       
                      
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