JPS5617510B2 - - Google Patents

Info

Publication number
JPS5617510B2
JPS5617510B2 JP6773477A JP6773477A JPS5617510B2 JP S5617510 B2 JPS5617510 B2 JP S5617510B2 JP 6773477 A JP6773477 A JP 6773477A JP 6773477 A JP6773477 A JP 6773477A JP S5617510 B2 JPS5617510 B2 JP S5617510B2
Authority
JP
Japan
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
Application number
JP6773477A
Other languages
Japanese (ja)
Other versions
JPS542201A (en
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 filed Critical
Priority to JP6773477A priority Critical patent/JPS542201A/ja
Publication of JPS542201A publication Critical patent/JPS542201A/ja
Publication of JPS5617510B2 publication Critical patent/JPS5617510B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP6773477A 1977-06-08 1977-06-08 Striking and crushing type drill bit Granted JPS542201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6773477A JPS542201A (en) 1977-06-08 1977-06-08 Striking and crushing type drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6773477A JPS542201A (en) 1977-06-08 1977-06-08 Striking and crushing type drill bit

Publications (2)

Publication Number Publication Date
JPS542201A JPS542201A (en) 1979-01-09
JPS5617510B2 true JPS5617510B2 (no) 1981-04-22

Family

ID=13353468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6773477A Granted JPS542201A (en) 1977-06-08 1977-06-08 Striking and crushing type drill bit

Country Status (1)

Country Link
JP (1) JPS542201A (no)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010522A (no) * 1973-05-25 1975-02-03

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010522B1 (no) * 1970-05-29 1975-04-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010522A (no) * 1973-05-25 1975-02-03

Also Published As

Publication number Publication date
JPS542201A (en) 1979-01-09

Similar Documents

Publication Publication Date Title
DE2823323C2 (no)
FR2377178B1 (no)
DE2855932C2 (no)
FR2377414B1 (no)
DK170877A (no)
FR2377553B1 (no)
DE2835879C2 (no)
DE2729939C3 (no)
DE2725601C2 (no)
DE2850311C2 (no)
DE2760269C2 (no)
DK483077A (no)
DE2812895C3 (no)
AU3353778A (no)
FR2377209B1 (no)
AU495917B2 (no)
DE2760390C2 (no)
JPS5617510B2 (no)
DK579977A (no)
BG25839A1 (no)
BG25813A1 (no)
BG25840A1 (no)
BG25860A1 (no)
BG25855A1 (no)
BG25853A1 (no)