FR1569962A - - Google Patents

Info

Publication number
FR1569962A
FR1569962A FR1569962DA FR1569962A FR 1569962 A FR1569962 A FR 1569962A FR 1569962D A FR1569962D A FR 1569962DA FR 1569962 A FR1569962 A FR 1569962A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1569962A publication Critical patent/FR1569962A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
FR1569962D 1967-04-21 1968-04-19 Expired FR1569962A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6705600A NL6705600A (fr) 1967-04-21 1967-04-21

Publications (1)

Publication Number Publication Date
FR1569962A true FR1569962A (fr) 1969-06-06

Family

ID=19799913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569962D Expired FR1569962A (fr) 1967-04-21 1968-04-19

Country Status (5)

Country Link
CH (1) CH477758A (fr)
DE (1) DE1698148A1 (fr)
FR (1) FR1569962A (fr)
GB (1) GB1227865A (fr)
NL (1) NL6705600A (fr)

Also Published As

Publication number Publication date
NL6705600A (fr) 1968-10-22
DE1698148A1 (de) 1971-08-12
GB1227865A (fr) 1971-04-07
CH477758A (de) 1969-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse