ZA911493B - Excavation tool - Google Patents

Excavation tool

Info

Publication number
ZA911493B
ZA911493B ZA911493A ZA911493A ZA911493B ZA 911493 B ZA911493 B ZA 911493B ZA 911493 A ZA911493 A ZA 911493A ZA 911493 A ZA911493 A ZA 911493A ZA 911493 B ZA911493 B ZA 911493B
Authority
ZA
South Africa
Prior art keywords
excavation tool
excavation
tool
Prior art date
Application number
ZA911493A
Inventor
Takeshi Hayashi
Hayashi Takeshi
Shigeru Sato
Sato Shigeru
Katsuaki Tsujimoto
Tsujimoto Katsuaki
Daishiro Miyazaki
Miyazaki Daishiro
Yoneo Hiwasa
Hiwasa Yoneo
Toshiki Ishimatsu
Ishimatsu Toshiki
Original Assignee
Mitsubishi Materials Corp
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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of ZA911493B publication Critical patent/ZA911493B/en

Links

ZA911493A 1990-02-28 1991-02-28 Excavation tool ZA911493B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4823390A JP2730253B2 (en) 1990-02-28 1990-02-28 Drilling tool

Publications (1)

Publication Number Publication Date
ZA911493B true ZA911493B (en) 1991-12-24

Family

ID=12797727

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA911493A ZA911493B (en) 1990-02-28 1991-02-28 Excavation tool

Country Status (2)

Country Link
JP (1) JP2730253B2 (en)
ZA (1) ZA911493B (en)

Also Published As

Publication number Publication date
JP2730253B2 (en) 1998-03-25
JPH03250189A (en) 1991-11-07

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