"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 |
| 5352526 | Hardfaced article and process to prevent crack propagation in hardfaced substrates A composite article and process forming a soft metallic layer, underneath a hardface coating, on a metallic substrate, using cloth-like flexible preforms. The softer layer formed underneath the hardfacing should be one having a hardness below 35 HRC, pref... | 10/04/1994 |