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Individual
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Individual
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Priority to DE1955ST006701priorityCriticalpatent/DE1710322U/de
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Fremgangsmaade til indvendig beklaedning af en roerformet passage,saasom en kloakledning,samt roerformet laminat til brug ved udoevelse af fremgangsmaaden
Werkwijze voor het aanbrengen van een aftakbuisstomp in een opening in de wand van een pijpleiding, alsmede een aftakbuisstomp toe te passen bij de werkwijze.
Vorrichtung, bei der innerhalb eines Vakuumgefässes ein Elektronenstrom erzeugt wird, die Elektronen gebündelt und einer Geschwindigkeitssteuerung unterworfen werden.