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Device for separating gefa of a vacuum, in particular from large gefa given the same direction, of the pump line, which on the separating point at the end of the pumping operation by means of a einzuloetendes closure can be shut off piece
Device for separating gefa of a vacuum, in particular from large gefa given the same direction, of the pump line, which on the separating point at the end of the pumping operation by means of a einzuloetendes closure can be shut off piece
