AU531837A - Improvements in devices for opening and closing ventilators, doors and windows - Google Patents

Improvements in devices for opening and closing ventilators, doors and windows

Info

Publication number
AU531837A
AU531837A AU5318/37A AU531837A AU531837A AU 531837 A AU531837 A AU 531837A AU 5318/37 A AU5318/37 A AU 5318/37A AU 531837 A AU531837 A AU 531837A AU 531837 A AU531837 A AU 531837A
Authority
AU
Australia
Prior art keywords
ventilators
doors
windows
closing
devices
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
AU5318/37A
Other versions
AU106166B2 (en
Inventor
Lehmkuhl Joakiji
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU531837A publication Critical patent/AU531837A/en
Publication of AU106166B2 publication Critical patent/AU106166B2/en
Expired legal-status Critical Current

Links

AU5318/37A 1937-12-14 Improvements in devices for opening and closing ventilators, doors and windows Expired AU106166B2 (en)

Publications (2)

Publication Number Publication Date
AU531837A true AU531837A (en) 1938-12-22
AU106166B2 AU106166B2 (en) 1938-12-22

Family

ID=

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