JPS52126932A - Method of regenerating dam sand drain pipe - Google Patents

Method of regenerating dam sand drain pipe

Info

Publication number
JPS52126932A
JPS52126932A JP4250976A JP4250976A JPS52126932A JP S52126932 A JPS52126932 A JP S52126932A JP 4250976 A JP4250976 A JP 4250976A JP 4250976 A JP4250976 A JP 4250976A JP S52126932 A JPS52126932 A JP S52126932A
Authority
JP
Japan
Prior art keywords
regenerating
drain pipe
sand drain
dam sand
dam
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.)
Granted
Application number
JP4250976A
Other languages
English (en)
Japanese (ja)
Other versions
JPS553489B2 (enrdf_load_stackoverflow
Inventor
Wataru Nakanishi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4250976A priority Critical patent/JPS52126932A/ja
Publication of JPS52126932A publication Critical patent/JPS52126932A/ja
Publication of JPS553489B2 publication Critical patent/JPS553489B2/ja
Granted legal-status Critical Current

Links

JP4250976A 1976-04-16 1976-04-16 Method of regenerating dam sand drain pipe Granted JPS52126932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4250976A JPS52126932A (en) 1976-04-16 1976-04-16 Method of regenerating dam sand drain pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4250976A JPS52126932A (en) 1976-04-16 1976-04-16 Method of regenerating dam sand drain pipe

Publications (2)

Publication Number Publication Date
JPS52126932A true JPS52126932A (en) 1977-10-25
JPS553489B2 JPS553489B2 (enrdf_load_stackoverflow) 1980-01-25

Family

ID=12638025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4250976A Granted JPS52126932A (en) 1976-04-16 1976-04-16 Method of regenerating dam sand drain pipe

Country Status (1)

Country Link
JP (1) JPS52126932A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS553489B2 (enrdf_load_stackoverflow) 1980-01-25

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