JPS6312232Y2 - - Google Patents

Info

Publication number
JPS6312232Y2
JPS6312232Y2 JP2363483U JP2363483U JPS6312232Y2 JP S6312232 Y2 JPS6312232 Y2 JP S6312232Y2 JP 2363483 U JP2363483 U JP 2363483U JP 2363483 U JP2363483 U JP 2363483U JP S6312232 Y2 JPS6312232 Y2 JP S6312232Y2
Authority
JP
Japan
Prior art keywords
ribbon
shaped screw
screw blade
bit
gravel
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
JP2363483U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59129992U (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 JP2363483U priority Critical patent/JPS59129992U/ja
Publication of JPS59129992U publication Critical patent/JPS59129992U/ja
Application granted granted Critical
Publication of JPS6312232Y2 publication Critical patent/JPS6312232Y2/ja
Granted legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)
JP2363483U 1983-02-18 1983-02-18 スクリユウオ−ガ− Granted JPS59129992U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2363483U JPS59129992U (ja) 1983-02-18 1983-02-18 スクリユウオ−ガ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2363483U JPS59129992U (ja) 1983-02-18 1983-02-18 スクリユウオ−ガ−

Publications (2)

Publication Number Publication Date
JPS59129992U JPS59129992U (ja) 1984-08-31
JPS6312232Y2 true JPS6312232Y2 (enrdf_load_stackoverflow) 1988-04-08

Family

ID=30154710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2363483U Granted JPS59129992U (ja) 1983-02-18 1983-02-18 スクリユウオ−ガ−

Country Status (1)

Country Link
JP (1) JPS59129992U (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3325249B2 (ja) * 1999-12-22 2002-09-17 文男 星 土木工事用削孔ケーシング

Also Published As

Publication number Publication date
JPS59129992U (ja) 1984-08-31

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