CA437986A - Dispositif d'appel d'air - Google Patents

Dispositif d'appel d'air

Info

Publication number
CA437986A
CA437986A CA437986A CA437986DA CA437986A CA 437986 A CA437986 A CA 437986A CA 437986 A CA437986 A CA 437986A CA 437986D A CA437986D A CA 437986DA CA 437986 A CA437986 A CA 437986A
Authority
CA
Canada
Prior art keywords
draft device
draft
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
CA437986A
Other languages
English (en)
Inventor
L. Mudgett Easton
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 CA437986A publication Critical patent/CA437986A/fr
Expired legal-status Critical Current

Links

CA437986A Dispositif d'appel d'air Expired CA437986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437986T

Publications (1)

Publication Number Publication Date
CA437986A true CA437986A (fr) 1946-11-19

Family

ID=35553221

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437986A Expired CA437986A (fr) Dispositif d'appel d'air

Country Status (1)

Country Link
CA (1) CA437986A (fr)

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