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| 4432710 | Rotary type machine with check valves for relieving internal pressures | Mar 29, 82 | Feb 21, 84 | DANFOSS A/S, CARL OTTO FLAGSTAD GRUNDTIVIGSALLE 8 6400 SONDERBORG, CHRISTIAN BORGE HANSEN, SONDERLUNDVEJ 12 6430 NORDBORG,, |