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Hanomag Hartecenter GmbH
| Hanomag Hartecenter GmbH Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110067784 | PROCESS FOR THE LOW-PRESSURE CARBURISATION OF METAL WORKPIECES - The invention relates to a process for the low-pressure carburisation of metal workpieces in an evacuable furnace, in which acetylene is added to the furnace atmosphere as the carburisation gas, wherein the partial pressure of the acetylene is varied intermittently and wherein the partial pressure of the acetylene in the furnace atmosphere is kept below | 03-24-2011 |