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BE603352R - Jeu de formules, sans fin - Google Patents

Jeu de formules, sans fin

Info

Publication number
BE603352R
BE603352R BE603352A BE603352A BE603352R BE 603352 R BE603352 R BE 603352R BE 603352 A BE603352 A BE 603352A BE 603352 A BE603352 A BE 603352A BE 603352 R BE603352 R BE 603352R
Authority
BE
Belgium
Prior art keywords
endless
formula set
formula
Prior art date
Application number
BE603352A
Other languages
English (en)
Inventor
Philipp Drescher
Original Assignee
Philipp Drescher
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 Philipp Drescher filed Critical Philipp Drescher
Application granted granted Critical
Publication of BE603352R publication Critical patent/BE603352R/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0061—Tubes with discharge used as electron source
BE603352A 1960-12-02 1961-05-03 Jeu de formules, sans fin BE603352R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE603352X 1960-12-02

Publications (1)

Publication Number Publication Date
BE603352R true BE603352R (fr) 1961-09-01

Family

ID=6575024

Family Applications (1)

Application Number Title Priority Date Filing Date
BE603352A BE603352R (fr) 1960-12-02 1961-05-03 Jeu de formules, sans fin

Country Status (2)

Country Link
BE (1) BE603352R (fr)
FR (1) FR603352A (fr)

Also Published As

Publication number Publication date
FR603352A (fr) 1926-04-14

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