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AU151182B2 - Improvements in and relating to systems of underground communication - Google Patents
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AU151182B2 - Improvements in and relating to systems of underground communication - Google Patents

Improvements in and relating to systems of underground communication

Info

Publication number
AU151182B2
AU151182B2 AU28705/49A AU2870549A AU151182B2 AU 151182 B2 AU151182 B2 AU 151182B2 AU 28705/49 A AU28705/49 A AU 28705/49A AU 2870549 A AU2870549 A AU 2870549A AU 151182 B2 AU151182 B2 AU 151182B2
Authority
AU
Australia
Prior art keywords
relating
systems
underground communication
underground
communication
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
AU28705/49A
Other versions
AU2870549A (en
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 AU2870549A publication Critical patent/AU2870549A/en
Publication of AU151182B2 publication Critical patent/AU151182B2/en
Expired legal-status Critical Current

Links

AU28705/49A 1949-07-13 Improvements in and relating to systems of underground communication Expired AU151182B2 (en)

Publications (2)

Publication Number Publication Date
AU2870549A AU2870549A (en) 1950-06-15
AU151182B2 true AU151182B2 (en) 1950-06-15

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU620808B2 (en) * 1987-06-09 1992-02-27 Zegum Pty. Ltd. Distribution apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU620808B2 (en) * 1987-06-09 1992-02-27 Zegum Pty. Ltd. Distribution apparatus

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