"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 5035843 | Method for producing explosive substances The present invention relates to a method for producing, by means of working, mixing and homogenizing, castable explosive substances of high viscosity containing crystalline and/or particulate explosives and, if appropriate, other action-enhancing additiv... | 07/30/1991 |
| 4983235 | Method for the production of fine-grained explosive substances The disclosure relates to a method and a device for producing compositions comprising fine-grained crystalline explosive substances with the aid of a steam-driven ejector (22). The expression explosive substances is here taken to mean both low and high ex... | 01/08/1991 |