JPS57158487A - Automatic propelling driving device for concrete boring - Google Patents

Automatic propelling driving device for concrete boring

Info

Publication number
JPS57158487A
JPS57158487A JP4265581A JP4265581A JPS57158487A JP S57158487 A JPS57158487 A JP S57158487A JP 4265581 A JP4265581 A JP 4265581A JP 4265581 A JP4265581 A JP 4265581A JP S57158487 A JPS57158487 A JP S57158487A
Authority
JP
Japan
Prior art keywords
driving device
automatic propelling
propelling driving
concrete boring
boring
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
JP4265581A
Other languages
Japanese (ja)
Other versions
JPH0132357B2 (en
Inventor
Naoko Iwasada
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 JP4265581A priority Critical patent/JPS57158487A/en
Publication of JPS57158487A publication Critical patent/JPS57158487A/en
Publication of JPH0132357B2 publication Critical patent/JPH0132357B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP4265581A 1981-03-24 1981-03-24 Automatic propelling driving device for concrete boring Granted JPS57158487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4265581A JPS57158487A (en) 1981-03-24 1981-03-24 Automatic propelling driving device for concrete boring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4265581A JPS57158487A (en) 1981-03-24 1981-03-24 Automatic propelling driving device for concrete boring

Publications (2)

Publication Number Publication Date
JPS57158487A true JPS57158487A (en) 1982-09-30
JPH0132357B2 JPH0132357B2 (en) 1989-06-30

Family

ID=12642016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4265581A Granted JPS57158487A (en) 1981-03-24 1981-03-24 Automatic propelling driving device for concrete boring

Country Status (1)

Country Link
JP (1) JPS57158487A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319521A (en) * 1976-08-04 1978-02-22 Mitsubishi Electric Corp Three phase multiple inverter device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319521A (en) * 1976-08-04 1978-02-22 Mitsubishi Electric Corp Three phase multiple inverter device

Also Published As

Publication number Publication date
JPH0132357B2 (en) 1989-06-30

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