JPS535813A - Earth drilling apparatus - Google Patents

Earth drilling apparatus

Info

Publication number
JPS535813A
JPS535813A JP7958276A JP7958276A JPS535813A JP S535813 A JPS535813 A JP S535813A JP 7958276 A JP7958276 A JP 7958276A JP 7958276 A JP7958276 A JP 7958276A JP S535813 A JPS535813 A JP S535813A
Authority
JP
Japan
Prior art keywords
drilling apparatus
earth drilling
earth
drilling
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
JP7958276A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5654438B2 (OSRAM
Inventor
Minoru Seya
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 JP7958276A priority Critical patent/JPS535813A/ja
Publication of JPS535813A publication Critical patent/JPS535813A/ja
Publication of JPS5654438B2 publication Critical patent/JPS5654438B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP7958276A 1976-07-05 1976-07-05 Earth drilling apparatus Granted JPS535813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7958276A JPS535813A (en) 1976-07-05 1976-07-05 Earth drilling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7958276A JPS535813A (en) 1976-07-05 1976-07-05 Earth drilling apparatus

Publications (2)

Publication Number Publication Date
JPS535813A true JPS535813A (en) 1978-01-19
JPS5654438B2 JPS5654438B2 (OSRAM) 1981-12-25

Family

ID=13693969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7958276A Granted JPS535813A (en) 1976-07-05 1976-07-05 Earth drilling apparatus

Country Status (1)

Country Link
JP (1) JPS535813A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55160339U (OSRAM) * 1979-05-02 1980-11-18
JPH0473089U (OSRAM) * 1990-11-02 1992-06-26

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922409A (OSRAM) * 1972-06-20 1974-02-27
JPS4982123A (OSRAM) * 1972-12-14 1974-08-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922409A (OSRAM) * 1972-06-20 1974-02-27
JPS4982123A (OSRAM) * 1972-12-14 1974-08-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55160339U (OSRAM) * 1979-05-02 1980-11-18
JPH0473089U (OSRAM) * 1990-11-02 1992-06-26

Also Published As

Publication number Publication date
JPS5654438B2 (OSRAM) 1981-12-25

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