CA661327A - Breathing apparatus - Google Patents

Breathing apparatus

Info

Publication number
CA661327A
CA661327A CA661327A CA661327DA CA661327A CA 661327 A CA661327 A CA 661327A CA 661327 A CA661327 A CA 661327A CA 661327D A CA661327D A CA 661327DA CA 661327 A CA661327 A CA 661327A
Authority
CA
Canada
Prior art keywords
breathing apparatus
breathing
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
CA661327A
Inventor
B. Caldwell Harry
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 CA661327A publication Critical patent/CA661327A/en
Expired legal-status Critical Current

Links

CA661327A Breathing apparatus Expired CA661327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA661327T

Publications (1)

Publication Number Publication Date
CA661327A true CA661327A (en) 1963-04-16

Family

ID=35955435

Family Applications (1)

Application Number Title Priority Date Filing Date
CA661327A Expired CA661327A (en) Breathing apparatus

Country Status (1)

Country Link
CA (1) CA661327A (en)

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