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AU215000B2 - Improvements in obstruction indicators - Google Patents

Improvements in obstruction indicators

Info

Publication number
AU215000B2
AU215000B2 AU8828/55A AU882855A AU215000B2 AU 215000 B2 AU215000 B2 AU 215000B2 AU 8828/55 A AU8828/55 A AU 8828/55A AU 882855 A AU882855 A AU 882855A AU 215000 B2 AU215000 B2 AU 215000B2
Authority
AU
Australia
Prior art keywords
obstruction
indicators
obstruction indicators
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
AU8828/55A
Other versions
AU882855A (en
Inventor
Duthoit Maurice
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.)
3M Australia Pty Ltd
Original Assignee
Minnesota Mining and Manufacturing Australia Pty Ltd
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Australia Pty Ltd filed Critical Minnesota Mining and Manufacturing Australia Pty Ltd
Application granted granted Critical
Publication of AU882855A publication Critical patent/AU882855A/en
Publication of AU215000B2 publication Critical patent/AU215000B2/en
Expired legal-status Critical Current

Links

AU8828/55A 1955-05-04 Improvements in obstruction indicators Expired AU215000B2 (en)

Publications (2)

Publication Number Publication Date
AU882855A AU882855A (en) 1956-11-01
AU215000B2 true AU215000B2 (en) 1956-11-01

Family

ID=

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