CA218315A - Dispositif a vide d'audion - Google Patents

Dispositif a vide d'audion

Info

Publication number
CA218315A
CA218315A CA218315A CA218315DA CA218315A CA 218315 A CA218315 A CA 218315A CA 218315 A CA218315 A CA 218315A CA 218315D A CA218315D A CA 218315DA CA 218315 A CA218315 A CA 218315A
Authority
CA
Canada
Prior art keywords
vacuum device
vacuum
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
CA218315A
Other languages
English (en)
Inventor
L. Bradford James
F. Gowen Robert
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA218315A publication Critical patent/CA218315A/fr
Expired legal-status Critical Current

Links

CA218315A Dispositif a vide d'audion Expired CA218315A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA218315T

Publications (1)

Publication Number Publication Date
CA218315A true CA218315A (fr) 1922-05-09

Family

ID=35112759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218315A Expired CA218315A (fr) Dispositif a vide d'audion

Country Status (1)

Country Link
CA (1) CA218315A (fr)

Similar Documents

Publication Publication Date Title
CA218315A (fr) Dispositif a vide d'audion
CA215100A (fr) Dispositif contre renflement du fil
CA219968A (fr) Appareil a vide
CA216480A (fr) Dispositif de tube a vide
CA218675A (fr) Dispositif d'acoustique
CA220745A (fr) Dispositif a decharge d'electrons
CA222153A (fr) Dispositif a humecter l'air
CA215086A (fr) Dispositif thermionique
CA226903A (fr) Dispositif thermionique
CA217623A (fr) Dispositif de raccordement
CA223836A (fr) Balle captive avec indicateur
CA220426A (fr) Dispositif de menu
CA244789A (fr) Dispositif a vide
CA224092A (fr) Dispositif a changer la vitesse des volants
CA215078A (fr) Tube a vide
CA215079A (fr) Tube a vide
CA216063A (fr) Tube a vide
CA216483A (fr) Tube a vide
CA221752A (fr) Tube a vide
CA219032A (fr) Lessiveuse par le vide
AU1035522A (en) An improved disinfectant-spraying device
CA223057A (fr) Dispositif d'indicateur
CA225232A (fr) Dispositif d'indicateur
CA223724A (fr) Dispositif a transplanter
CA219631A (fr) Dispositif de contact