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100 1 _aWittmann, A.
700 1 _aTittlbach, G.
245 0 0 _aPATDPA :
_ban online searchable patent database with display of patent drawings
650 _aPATDPA
_93579
650 _aDatenbank
_9977
650 _aPatentwesen
_93556
773 0 _aWPI. 8(1986),1,29-32.
_wz_WPI
999 _c12810
_d12810