AU217854B2 - Improvements in, or relating to, roof ventilators - Google Patents

Improvements in, or relating to, roof ventilators

Info

Publication number
AU217854B2
AU217854B2 AU20008/56A AU2000856A AU217854B2 AU 217854 B2 AU217854 B2 AU 217854B2 AU 20008/56 A AU20008/56 A AU 20008/56A AU 2000856 A AU2000856 A AU 2000856A AU 217854 B2 AU217854 B2 AU 217854B2
Authority
AU
Australia
Prior art keywords
relating
roof ventilators
ventilators
roof
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
AU20008/56A
Other versions
AU2000856A (en
Inventor
Francis Simmons John
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.)
Hills (west Bromwich Ltd
Original Assignee
Hills (west Bromwich Ltd
Filing date
Publication date
Application filed by Hills (west Bromwich Ltd filed Critical Hills (west Bromwich Ltd
Application granted granted Critical
Publication of AU217854B2 publication Critical patent/AU217854B2/en
Publication of AU2000856A publication Critical patent/AU2000856A/en
Expired legal-status Critical Current

Links

AU20008/56A 1956-07-18 Improvements in, or relating to, roof ventilators Expired AU217854B2 (en)

Publications (2)

Publication Number Publication Date
AU217854B2 true AU217854B2 (en) 1957-01-24
AU2000856A AU2000856A (en) 1957-01-24

Family

ID=

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