JPS63113910U - - Google Patents

Info

Publication number
JPS63113910U
JPS63113910U JP581087U JP581087U JPS63113910U JP S63113910 U JPS63113910 U JP S63113910U JP 581087 U JP581087 U JP 581087U JP 581087 U JP581087 U JP 581087U JP S63113910 U JPS63113910 U JP S63113910U
Authority
JP
Japan
Prior art keywords
water
sand layer
section
main column
weight
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
JP581087U
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 JP581087U priority Critical patent/JPS63113910U/ja
Publication of JPS63113910U publication Critical patent/JPS63113910U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP581087U 1987-01-19 1987-01-19 Pending JPS63113910U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP581087U JPS63113910U (zh) 1987-01-19 1987-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP581087U JPS63113910U (zh) 1987-01-19 1987-01-19

Publications (1)

Publication Number Publication Date
JPS63113910U true JPS63113910U (zh) 1988-07-22

Family

ID=30787738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP581087U Pending JPS63113910U (zh) 1987-01-19 1987-01-19

Country Status (1)

Country Link
JP (1) JPS63113910U (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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