FR1171864A - Device for evaluating very low gas pressures - Google Patents

Device for evaluating very low gas pressures

Info

Publication number
FR1171864A
FR1171864A FR1171864DA FR1171864A FR 1171864 A FR1171864 A FR 1171864A FR 1171864D A FR1171864D A FR 1171864DA FR 1171864 A FR1171864 A FR 1171864A
Authority
FR
France
Prior art keywords
evaluating
low gas
gas pressures
pressures
low
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1171864A publication Critical patent/FR1171864A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1171864D 1956-04-26 1957-04-24 Device for evaluating very low gas pressures Expired FR1171864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1171864X 1956-04-26

Publications (1)

Publication Number Publication Date
FR1171864A true FR1171864A (en) 1959-01-30

Family

ID=19870902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1171864D Expired FR1171864A (en) 1956-04-26 1957-04-24 Device for evaluating very low gas pressures

Country Status (1)

Country Link
FR (1) FR1171864A (en)

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