JPH047242Y2 - - Google Patents
Info
- Publication number
- JPH047242Y2 JPH047242Y2 JP1986054076U JP5407686U JPH047242Y2 JP H047242 Y2 JPH047242 Y2 JP H047242Y2 JP 1986054076 U JP1986054076 U JP 1986054076U JP 5407686 U JP5407686 U JP 5407686U JP H047242 Y2 JPH047242 Y2 JP H047242Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- digging
- drill
- drilling
- rotary
- 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
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986054076U JPH047242Y2 (en]) | 1986-04-10 | 1986-04-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986054076U JPH047242Y2 (en]) | 1986-04-10 | 1986-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62169046U JPS62169046U (en]) | 1987-10-27 |
JPH047242Y2 true JPH047242Y2 (en]) | 1992-02-26 |
Family
ID=30880730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986054076U Expired JPH047242Y2 (en]) | 1986-04-10 | 1986-04-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH047242Y2 (en]) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5976691U (ja) * | 1982-11-11 | 1984-05-24 | 新井 健二 | 穴掘り具 |
-
1986
- 1986-04-10 JP JP1986054076U patent/JPH047242Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62169046U (en]) | 1987-10-27 |
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