JPS54152325A - Cutting edge for method of propulsive construction - Google Patents

Cutting edge for method of propulsive construction

Info

Publication number
JPS54152325A
JPS54152325A JP6127178A JP6127178A JPS54152325A JP S54152325 A JPS54152325 A JP S54152325A JP 6127178 A JP6127178 A JP 6127178A JP 6127178 A JP6127178 A JP 6127178A JP S54152325 A JPS54152325 A JP S54152325A
Authority
JP
Japan
Prior art keywords
cutting edge
propulsive
construction
propulsive construction
cutting
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
Application number
JP6127178A
Other languages
Japanese (ja)
Inventor
Masao Nishihara
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 JP6127178A priority Critical patent/JPS54152325A/en
Publication of JPS54152325A publication Critical patent/JPS54152325A/en
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP6127178A 1978-05-22 1978-05-22 Cutting edge for method of propulsive construction Pending JPS54152325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6127178A JPS54152325A (en) 1978-05-22 1978-05-22 Cutting edge for method of propulsive construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6127178A JPS54152325A (en) 1978-05-22 1978-05-22 Cutting edge for method of propulsive construction

Publications (1)

Publication Number Publication Date
JPS54152325A true JPS54152325A (en) 1979-11-30

Family

ID=13166378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6127178A Pending JPS54152325A (en) 1978-05-22 1978-05-22 Cutting edge for method of propulsive construction

Country Status (1)

Country Link
JP (1) JPS54152325A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506119A (en) * 1973-05-21 1975-01-22
JPS5149533A (en) * 1974-10-28 1976-04-28 Saburo Murakami JUSUICHISOYOSHIIRUDOKUTSUSHINKI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506119A (en) * 1973-05-21 1975-01-22
JPS5149533A (en) * 1974-10-28 1976-04-28 Saburo Murakami JUSUICHISOYOSHIIRUDOKUTSUSHINKI

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