CA302934A - Vault ventilator - Google Patents

Vault ventilator

Info

Publication number
CA302934A
CA302934A CA302934A CA302934DA CA302934A CA 302934 A CA302934 A CA 302934A CA 302934 A CA302934 A CA 302934A CA 302934D A CA302934D A CA 302934DA CA 302934 A CA302934 A CA 302934A
Authority
CA
Canada
Prior art keywords
vault
ventilator
vault ventilator
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
CA302934A
Other languages
French (fr)
Inventor
B. Mcclintock Oliver
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 CA302934A publication Critical patent/CA302934A/en
Expired legal-status Critical Current

Links

CA302934A Vault ventilator Expired CA302934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA302934T

Publications (1)

Publication Number Publication Date
CA302934A true CA302934A (en) 1930-08-12

Family

ID=35256080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302934A Expired CA302934A (en) Vault ventilator

Country Status (1)

Country Link
CA (1) CA302934A (en)

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