CA238400A - Appareil de commande d'air - Google Patents

Appareil de commande d'air

Info

Publication number
CA238400A
CA238400A CA238400A CA238400DA CA238400A CA 238400 A CA238400 A CA 238400A CA 238400 A CA238400 A CA 238400A CA 238400D A CA238400D A CA 238400DA CA 238400 A CA238400 A CA 238400A
Authority
CA
Canada
Prior art keywords
control apparatus
air control
air
control
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
CA238400A
Other languages
English (en)
Inventor
S. Thayer Frank
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.)
THAYER AUTOMATIC TRAIN AND SIGN CONTROL Co
Original Assignee
THAYER AUTOMATIC TRAIN AND SIGN CONTROL Co
Publication date
Application granted granted Critical
Publication of CA238400A publication Critical patent/CA238400A/fr
Expired legal-status Critical Current

Links

CA238400A Appareil de commande d'air Expired CA238400A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238400T

Publications (1)

Publication Number Publication Date
CA238400A true CA238400A (fr) 1924-03-04

Family

ID=35142432

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238400A Expired CA238400A (fr) Appareil de commande d'air

Country Status (1)

Country Link
CA (1) CA238400A (fr)

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