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                        3889105
                    
                                            
                                - 
                                    Patent number 3,889,105
                                
 
                                - 
                                    Issue date Jun 10, 1975
                                
 
                        
                                                                
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                                    G05 - CONTROLLING REGULATING
                                 
                        
                 
             
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                        3731043
                    
                                            
                                - 
                                    Patent number 3,731,043
                                
 
                                - 
                                    Issue date May 1, 1973
                                
 
                        
                                                                
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                                    B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
                                 
                        
                 
             
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                        3731045
                    
                                            
                                - 
                                    Patent number 3,731,045
                                
 
                                - 
                                    Issue date May 1, 1973
                                
 
                        
                                                                
                                - 
                                        
                                    B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
                                 
                        
                 
             
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                        3668653
                    
                                            
                                - 
                                    Patent number 3,668,653
                                
 
                                - 
                                    Issue date Jun 6, 1972
                                
 
                        
                                                                
                                - 
                                        
                                    G05 - CONTROLLING REGULATING