FR649205A - Appareil à vide de haute puissance - Google Patents

Appareil à vide de haute puissance

Info

Publication number
FR649205A
FR649205A FR649205DA FR649205A FR 649205 A FR649205 A FR 649205A FR 649205D A FR649205D A FR 649205DA FR 649205 A FR649205 A FR 649205A
Authority
FR
France
Prior art keywords
high power
vacuum apparatus
power vacuum
vacuum
power
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck KGaA
Original Assignee
E Merck AG
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 by E Merck AG filed Critical E Merck AG
Application granted granted Critical
Publication of FR649205A publication Critical patent/FR649205A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR649205D 1928-02-17 1928-02-17 Appareil à vide de haute puissance Expired FR649205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR649205T 1928-02-17

Publications (1)

Publication Number Publication Date
FR649205A true FR649205A (fr) 1928-12-19

Family

ID=9003194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR649205D Expired FR649205A (fr) 1928-02-17 1928-02-17 Appareil à vide de haute puissance

Country Status (1)

Country Link
FR (1) FR649205A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019139B (de) * 1952-01-23 1957-11-07 Heraeus Gmbh W C Hochvakuumverdampfungsanlage
US6270283B1 (en) 1998-07-01 2001-08-07 E.T.A. S.P.A. Bearing structure for cabinets preferably containing electric and/or electronic apparatuses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019139B (de) * 1952-01-23 1957-11-07 Heraeus Gmbh W C Hochvakuumverdampfungsanlage
US6270283B1 (en) 1998-07-01 2001-08-07 E.T.A. S.P.A. Bearing structure for cabinets preferably containing electric and/or electronic apparatuses

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