DE236967C - - Google Patents

Info

Publication number
DE236967C
DE236967C DENDAT236967D DE236967DA DE236967C DE 236967 C DE236967 C DE 236967C DE NDAT236967 D DENDAT236967 D DE NDAT236967D DE 236967D A DE236967D A DE 236967DA DE 236967 C DE236967 C DE 236967C
Authority
DE
Germany
Prior art keywords
nitrogen
thread
bulbs
pressure
metalloids
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.)
Active
Application number
DENDAT236967D
Other languages
German (de)
English (en)
Publication of DE236967C publication Critical patent/DE236967C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/22—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Furnace Details (AREA)
DENDAT236967D Active DE236967C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE236967C true DE236967C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=496613

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT236967D Active DE236967C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE236967C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5733104A (en) * 1992-12-24 1998-03-31 Balzers-Pfeiffer Gmbh Vacuum pump system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5733104A (en) * 1992-12-24 1998-03-31 Balzers-Pfeiffer Gmbh Vacuum pump system

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