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AU215730B2 - Improvements in or relating to ventilators ofthe louvre type - Google Patents
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AU215730B2 - Improvements in or relating to ventilators ofthe louvre type - Google Patents

Improvements in or relating to ventilators ofthe louvre type

Info

Publication number
AU215730B2
AU215730B2 AU19937/56A AU1993756A AU215730B2 AU 215730 B2 AU215730 B2 AU 215730B2 AU 19937/56 A AU19937/56 A AU 19937/56A AU 1993756 A AU1993756 A AU 1993756A AU 215730 B2 AU215730 B2 AU 215730B2
Authority
AU
Australia
Prior art keywords
ventilators
ofthe
relating
louvre type
louvre
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
AU19937/56A
Other versions
AU1993756A (en
Inventor
Charles Sylvester Johnson and Victor Neihorster Ronald
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.)
G JOHNSON BROTHERS Ltd
Original Assignee
G JOHNSON BROTHERS Ltd
Filing date
Publication date
Application filed by G JOHNSON BROTHERS Ltd filed Critical G JOHNSON BROTHERS Ltd
Application granted granted Critical
Publication of AU215730B2 publication Critical patent/AU215730B2/en
Publication of AU1993756A publication Critical patent/AU1993756A/en
Expired legal-status Critical Current

Links

AU19937/56A 1956-07-17 Improvements in or relating to ventilators ofthe louvre type Expired AU215730B2 (en)

Publications (2)

Publication Number Publication Date
AU215730B2 true AU215730B2 (en) 1957-01-17
AU1993756A AU1993756A (en) 1957-01-17

Family

ID=

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