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AU478055B2 - Fire damper - Google Patents
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AU478055B2 - Fire damper - Google Patents

Fire damper

Info

Publication number
AU478055B2
AU478055B2 AU71097/74A AU7109774A AU478055B2 AU 478055 B2 AU478055 B2 AU 478055B2 AU 71097/74 A AU71097/74 A AU 71097/74A AU 7109774 A AU7109774 A AU 7109774A AU 478055 B2 AU478055 B2 AU 478055B2
Authority
AU
Australia
Prior art keywords
fire damper
damper
fire
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
AU71097/74A
Other versions
AU7109774A (en
Inventor
Richard Root James
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.)
Ruskin Manufacturing Co
Original Assignee
Ruskin Manufacturing Co
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 US378511A external-priority patent/US3907020A/en
Application filed by Ruskin Manufacturing Co filed Critical Ruskin Manufacturing Co
Application granted granted Critical
Publication of AU7109774A publication Critical patent/AU7109774A/en
Publication of AU478055B2 publication Critical patent/AU478055B2/en
Expired legal-status Critical Current

Links

AU71097/74A 1973-07-12 1974-07-11 Fire damper Expired AU478055B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS378,511 1973-07-12
US378511A US3907020A (en) 1973-07-12 1973-07-12 Fire damper

Publications (2)

Publication Number Publication Date
AU7109774A AU7109774A (en) 1976-01-15
AU478055B2 true AU478055B2 (en) 1976-01-15

Family

ID=

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