JPS63113909U - - Google Patents

Info

Publication number
JPS63113909U
JPS63113909U JP580987U JP580987U JPS63113909U JP S63113909 U JPS63113909 U JP S63113909U JP 580987 U JP580987 U JP 580987U JP 580987 U JP580987 U JP 580987U JP S63113909 U JPS63113909 U JP S63113909U
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JP
Japan
Prior art keywords
section
wire
weight
sand layer
attached
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
JP580987U
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 JP580987U priority Critical patent/JPS63113909U/ja
Publication of JPS63113909U publication Critical patent/JPS63113909U/ja
Pending legal-status Critical Current

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Landscapes

  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP580987U 1987-01-19 1987-01-19 Pending JPS63113909U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP580987U JPS63113909U (zh) 1987-01-19 1987-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP580987U JPS63113909U (zh) 1987-01-19 1987-01-19

Publications (1)

Publication Number Publication Date
JPS63113909U true JPS63113909U (zh) 1988-07-22

Family

ID=30787736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP580987U Pending JPS63113909U (zh) 1987-01-19 1987-01-19

Country Status (1)

Country Link
JP (1) JPS63113909U (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55110951A (en) * 1979-02-19 1980-08-27 Oki Electric Ind Co Ltd Ultrasonic wave detector for sludge dredging

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55110951A (en) * 1979-02-19 1980-08-27 Oki Electric Ind Co Ltd Ultrasonic wave detector for sludge dredging

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