FR572502A - Perfectionnements aux soupapes thermo-électriques - Google Patents

Perfectionnements aux soupapes thermo-électriques

Info

Publication number
FR572502A
FR572502A FR572502DA FR572502A FR 572502 A FR572502 A FR 572502A FR 572502D A FR572502D A FR 572502DA FR 572502 A FR572502 A FR 572502A
Authority
FR
France
Prior art keywords
thermo
electric valves
valves
electric
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.)
Mills Novelty Co
Original Assignee
Mills Novelty Co
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 Mills Novelty Co filed Critical Mills Novelty Co
Application granted granted Critical
Publication of FR572502A publication Critical patent/FR572502A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
FR572502D 1923-10-31 1923-10-31 Perfectionnements aux soupapes thermo-électriques Expired FR572502A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR572502T 1923-10-31

Publications (1)

Publication Number Publication Date
FR572502A true FR572502A (fr) 1924-06-07

Family

ID=8951283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR572502D Expired FR572502A (fr) 1923-10-31 1923-10-31 Perfectionnements aux soupapes thermo-électriques

Country Status (1)

Country Link
FR (1) FR572502A (fr)

Similar Documents

Publication Publication Date Title
FR598354A (fr) Perfectionnements aux valves thermioniques
FR586854A (fr) Perfectionnements apportés aux robinets
FR623310A (fr) Perfectionnements aux rodeurs-rectifieurs de soupapes
FR564338A (fr) Perfectionnements apportés aux robinets-vannes
FR568167A (fr) Perfectionnements aux soupapes de réduction
FR569794A (fr) Perfectionnements apportés aux valves ou vannes
FR562137A (fr) Perfectionnements aux soupapes de réglage
FR553914A (fr) Perfectionnements apportés aux soupapes
FR579917A (fr) Perfectionnements aux valves soupapes
FR568598A (fr) Perfectionnements aux parqueteuses
FR589810A (fr) Perfectionnements aux thermo-siphons
FR572322A (fr) Perfectionnements aux
FR564047A (fr) Perfectionnements aux bioyclettes
FR581179A (fr) Perfectionnements aux électro-aimants
FR567632A (fr) Soupape
FR585503A (fr) Perfectionnements aux soupapes
FR574753A (fr) Perfectionnements apportés aux robinets
FR587252A (fr) Perfectionnements aux mécanismes de soupapes
FR557042A (fr) Perfectionnements aux valves thermo-ioniques
FR603277A (fr) Perfectionnements aux soupapes thermo-ioniques
FR585248A (fr) Perfectionnements aux valves thermioniques
FR601461A (fr) Perfectionnements apportés aux vannes
FR573496A (fr) Perfectionnements aux torréfacteurs
FR563893A (fr) Perfectionnements aux robinets
FR30525E (fr) Perfectionnements aux postes radio-récepteurs