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                        MEASURING APPARATUS
                    
                                            
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                                    Publication number 20210087787
                                
 
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                                    Publication date Mar 25, 2021
                                
 
                        
                                            
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                                    Japan Aviation Electronics Industry, Limited
                                 
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                                    Hiroshi  ARITA
                                 
                        
                                            
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                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
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                        Gap Sub Impedance Control
                    
                                            
                                - 
                                    Publication number 20190345813
                                
 
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                                    Publication date Nov 14, 2019
                                
 
                        
                                            
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                                    Halliburton Energy Services, Inc.
                                 
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                                    Paul Chin Ling Chang
                                 
                        
                                            
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                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
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                        Active Gap Sub
                    
                                            
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                                    Publication number 20190338632
                                
 
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                                    Publication date Nov 7, 2019
                                
 
                        
                                            
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                                    Halliburton Energy Services, Inc.
                                 
                                - 
                                        
                                    Ilker R. Capoglu
                                 
                        
                                            
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                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
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                        CASING DETECTION TOOLS AND METHODS
                    
                                            
                                - 
                                    Publication number 20190078433
                                
 
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                                    Publication date Mar 14, 2019
                                
 
                        
                                            
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                                    Halliburton Energy Services, Inc.
                                 
                                - 
                                        
                                    Michael S. Bittar
                                 
                        
                                            
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                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
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                        OPTIMIZATION OF RANGING MEASUREMENTS
                    
                                            
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                                    Publication number 20190032472
                                
 
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                                    Publication date Jan 31, 2019
                                
 
                        
                                            
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                                    Halliburton Energy Services, Inc.
                                 
                                - 
                                        
                                    Akram  Ahmadi Kalateh Ahmad
                                 
                        
                                            
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                                    G01 - MEASURING TESTING
                                 
                        
                 
             
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