CA447753A - Self-contained breathing apparatus - Google Patents

Self-contained breathing apparatus

Info

Publication number
CA447753A
CA447753A CA447753A CA447753DA CA447753A CA 447753 A CA447753 A CA 447753A CA 447753 A CA447753 A CA 447753A CA 447753D A CA447753D A CA 447753DA CA 447753 A CA447753 A CA 447753A
Authority
CA
Canada
Prior art keywords
self
breathing apparatus
contained breathing
contained
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
CA447753A
Other languages
French (fr)
Inventor
Henry Davis Robert
William Gorman Davis 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 CA447753A publication Critical patent/CA447753A/en
Expired legal-status Critical Current

Links

CA447753A Self-contained breathing apparatus Expired CA447753A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447753T

Publications (1)

Publication Number Publication Date
CA447753A true CA447753A (en) 1948-04-13

Family

ID=35565436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447753A Expired CA447753A (en) Self-contained breathing apparatus

Country Status (1)

Country Link
CA (1) CA447753A (en)

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