DK90428C - Echo distance marking apparatus. - Google Patents

Echo distance marking apparatus.

Info

Publication number
DK90428C
DK90428C DK23158A DK23158A DK90428C DK 90428 C DK90428 C DK 90428C DK 23158 A DK23158 A DK 23158A DK 23158 A DK23158 A DK 23158A DK 90428 C DK90428 C DK 90428C
Authority
DK
Denmark
Prior art keywords
marking apparatus
echo distance
distance marking
echo
marking
Prior art date
Application number
DK23158A
Other languages
Danish (da)
Original Assignee
Kelvin & Hughes Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kelvin & Hughes Ltd filed Critical Kelvin & Hughes Ltd
Application granted granted Critical
Publication of DK90428C publication Critical patent/DK90428C/en

Links

DK23158A 1957-01-24 1958-01-23 Echo distance marking apparatus. DK90428C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB90428T 1957-01-24

Publications (1)

Publication Number Publication Date
DK90428C true DK90428C (en) 1961-02-13

Family

ID=29226373

Family Applications (1)

Application Number Title Priority Date Filing Date
DK23158A DK90428C (en) 1957-01-24 1958-01-23 Echo distance marking apparatus.

Country Status (1)

Country Link
DK (1) DK90428C (en)

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