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                        Hollow body component
                    
                                            
                                - 
                                    Patent number 7,722,280
                                
 
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                                    Issue date May 25, 2010
                                
 
                        
                                            
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                                    ZF Friedrichshafen AG
                                 
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                                    Peter  Hofmann
                                 
                        
                                            
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        3181882
                    
                                            
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                                    Patent number 3,181,882
                                
 
                                - 
                                    Issue date May 4, 1965
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        3075786
                    
                                            
                                - 
                                    Patent number 3,075,786
                                
 
                                - 
                                    Issue date Jan 29, 1963
                                
 
                        
                                                                
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                                    B60 - VEHICLES IN GENERAL
                                 
                        
                 
             
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                        2935347
                    
                                            
                                - 
                                    Patent number 2,935,347
                                
 
                                - 
                                    Issue date May 3, 1960
                                
 
                        
                                                                
                                - 
                                        
                                    B60 - VEHICLES IN GENERAL