DD109918A1 - - Google Patents

Info

Publication number
DD109918A1
DD109918A1 DD17674574A DD17674574A DD109918A1 DD 109918 A1 DD109918 A1 DD 109918A1 DD 17674574 A DD17674574 A DD 17674574A DD 17674574 A DD17674574 A DD 17674574A DD 109918 A1 DD109918 A1 DD 109918A1
Authority
DD
German Democratic Republic
Application number
DD17674574A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to DD17674574A priority Critical patent/DD109918A1/xx
Publication of DD109918A1 publication Critical patent/DD109918A1/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
DD17674574A 1974-02-22 1974-02-22 DD109918A1 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD17674574A DD109918A1 (enrdf_load_stackoverflow) 1974-02-22 1974-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD17674574A DD109918A1 (enrdf_load_stackoverflow) 1974-02-22 1974-02-22

Publications (1)

Publication Number Publication Date
DD109918A1 true DD109918A1 (enrdf_load_stackoverflow) 1974-11-20

Family

ID=5494711

Family Applications (1)

Application Number Title Priority Date Filing Date
DD17674574A DD109918A1 (enrdf_load_stackoverflow) 1974-02-22 1974-02-22

Country Status (1)

Country Link
DD (1) DD109918A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808067A (en) * 1987-02-25 1989-02-28 Alcatel Cit Rotary vacuum pump
EP0825346A1 (de) * 1996-08-23 1998-02-25 Pfeiffer Vacuum GmbH Eingangsstufe für eine zweiflutige Gasreibungspumpe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808067A (en) * 1987-02-25 1989-02-28 Alcatel Cit Rotary vacuum pump
EP0825346A1 (de) * 1996-08-23 1998-02-25 Pfeiffer Vacuum GmbH Eingangsstufe für eine zweiflutige Gasreibungspumpe
DE19634095A1 (de) * 1996-08-23 1998-02-26 Pfeiffer Vacuum Gmbh Eingangsstufe für eine zweiflutige Gasreibungspumpe

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