AU554731A - Improvements in or relating to sounding apparatus - Google Patents

Improvements in or relating to sounding apparatus

Info

Publication number
AU554731A
AU554731A AU5547/31A AU554731A AU554731A AU 554731 A AU554731 A AU 554731A AU 5547/31 A AU5547/31 A AU 5547/31A AU 554731 A AU554731 A AU 554731A AU 554731 A AU554731 A AU 554731A
Authority
AU
Australia
Prior art keywords
relating
sounding apparatus
sounding
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
AU5547/31A
Inventor
Ambrose Slee 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.)
Marconi Sounding Device Co Ltd
Original Assignee
Marconi Sounding Device Co Ltd
Filing date
Publication date
Application filed by Marconi Sounding Device Co Ltd filed Critical Marconi Sounding Device Co Ltd
Publication of AU554731A publication Critical patent/AU554731A/en
Expired legal-status Critical Current

Links

AU5547/31A 1931-12-29 Improvements in or relating to sounding apparatus Expired AU554731A (en)

Publications (1)

Publication Number Publication Date
AU554731A true AU554731A (en) 1933-01-06

Family

ID=

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