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AU489715B2 - Improvements in or relating to breathing apparatus - Google Patents
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AU489715B2 - Improvements in or relating to breathing apparatus - Google Patents

Improvements in or relating to breathing apparatus

Info

Publication number
AU489715B2
AU489715B2 AU74337/74A AU7433774A AU489715B2 AU 489715 B2 AU489715 B2 AU 489715B2 AU 74337/74 A AU74337/74 A AU 74337/74A AU 7433774 A AU7433774 A AU 7433774A AU 489715 B2 AU489715 B2 AU 489715B2
Authority
AU
Australia
Prior art keywords
relating
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
AU74337/74A
Other versions
AU7433774A (en
Inventor
JOHN RONALD COLSTON and NORMAN EUGENE SMITH FRANK EUGENE MARTIN
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US413413A external-priority patent/US3913576A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of AU489715B2 publication Critical patent/AU489715B2/en
Publication of AU7433774A publication Critical patent/AU7433774A/en
Expired legal-status Critical Current

Links

AU74337/74A 1973-11-06 1974-10-15 Improvements in or relating to breathing apparatus Expired AU489715B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS413413 1973-11-06
US413413A US3913576A (en) 1973-11-06 1973-11-06 Breathing apparatus

Publications (2)

Publication Number Publication Date
AU489715B2 true AU489715B2 (en) 1976-04-29
AU7433774A AU7433774A (en) 1976-04-29

Family

ID=

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