JPS6219757Y2 - - Google Patents

Info

Publication number
JPS6219757Y2
JPS6219757Y2 JP6766081U JP6766081U JPS6219757Y2 JP S6219757 Y2 JPS6219757 Y2 JP S6219757Y2 JP 6766081 U JP6766081 U JP 6766081U JP 6766081 U JP6766081 U JP 6766081U JP S6219757 Y2 JPS6219757 Y2 JP S6219757Y2
Authority
JP
Japan
Prior art keywords
backfilling
machine
injection pipe
pipe
nozzle
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.)
Expired
Application number
JP6766081U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57178896U (de
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 JP6766081U priority Critical patent/JPS6219757Y2/ja
Publication of JPS57178896U publication Critical patent/JPS57178896U/ja
Application granted granted Critical
Publication of JPS6219757Y2 publication Critical patent/JPS6219757Y2/ja
Expired legal-status Critical Current

Links

JP6766081U 1981-05-11 1981-05-11 Expired JPS6219757Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6766081U JPS6219757Y2 (de) 1981-05-11 1981-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6766081U JPS6219757Y2 (de) 1981-05-11 1981-05-11

Publications (2)

Publication Number Publication Date
JPS57178896U JPS57178896U (de) 1982-11-12
JPS6219757Y2 true JPS6219757Y2 (de) 1987-05-20

Family

ID=29863644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6766081U Expired JPS6219757Y2 (de) 1981-05-11 1981-05-11

Country Status (1)

Country Link
JP (1) JPS6219757Y2 (de)

Also Published As

Publication number Publication date
JPS57178896U (de) 1982-11-12

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