JPS5238402A - Tunnel excavator - Google Patents
Tunnel excavatorInfo
- Publication number
- JPS5238402A JPS5238402A JP11457575A JP11457575A JPS5238402A JP S5238402 A JPS5238402 A JP S5238402A JP 11457575 A JP11457575 A JP 11457575A JP 11457575 A JP11457575 A JP 11457575A JP S5238402 A JPS5238402 A JP S5238402A
- Authority
- JP
- Japan
- Prior art keywords
- tunnel excavator
- excavator
- tunnel
- 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
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11457575A JPS5238402A (en) | 1975-09-22 | 1975-09-22 | Tunnel excavator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11457575A JPS5238402A (en) | 1975-09-22 | 1975-09-22 | Tunnel excavator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5238402A true JPS5238402A (en) | 1977-03-25 |
Family
ID=14641259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11457575A Pending JPS5238402A (en) | 1975-09-22 | 1975-09-22 | Tunnel excavator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5238402A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5086330A (en) * | 1973-11-28 | 1975-07-11 | ||
US4622616A (en) * | 1983-11-25 | 1986-11-11 | Kabushiki Kaisha Toshiba | Thin film magnetic head for equalizing outputs of a two-channel tracking device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48802U (en) * | 1971-05-25 | 1973-01-08 |
-
1975
- 1975-09-22 JP JP11457575A patent/JPS5238402A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48802U (en) * | 1971-05-25 | 1973-01-08 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5086330A (en) * | 1973-11-28 | 1975-07-11 | ||
JPS55813B2 (en) * | 1973-11-28 | 1980-01-10 | ||
US4622616A (en) * | 1983-11-25 | 1986-11-11 | Kabushiki Kaisha Toshiba | Thin film magnetic head for equalizing outputs of a two-channel tracking device |
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