JPH02135883U - - Google Patents

Info

Publication number
JPH02135883U
JPH02135883U JP4371589U JP4371589U JPH02135883U JP H02135883 U JPH02135883 U JP H02135883U JP 4371589 U JP4371589 U JP 4371589U JP 4371589 U JP4371589 U JP 4371589U JP H02135883 U JPH02135883 U JP H02135883U
Authority
JP
Japan
Prior art keywords
morse code
morse
sonar
heli
encrypted
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.)
Pending
Application number
JP4371589U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP4371589U priority Critical patent/JPH02135883U/ja
Publication of JPH02135883U publication Critical patent/JPH02135883U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP4371589U 1989-04-14 1989-04-14 Pending JPH02135883U (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4371589U JPH02135883U (fi) 1989-04-14 1989-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4371589U JPH02135883U (fi) 1989-04-14 1989-04-14

Publications (1)

Publication Number Publication Date
JPH02135883U true JPH02135883U (fi) 1990-11-13

Family

ID=31556361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4371589U Pending JPH02135883U (fi) 1989-04-14 1989-04-14

Country Status (1)

Country Link
JP (1) JPH02135883U (fi)

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