SU163997A1 - - Google Patents

Info

Publication number
SU163997A1
SU163997A1 SU794797A SU794797A SU163997A1 SU 163997 A1 SU163997 A1 SU 163997A1 SU 794797 A SU794797 A SU 794797A SU 794797 A SU794797 A SU 794797A SU 163997 A1 SU163997 A1 SU 163997A1
Authority
SU
USSR - Soviet Union
Prior art keywords
cutters
core
hole
drilling
head
Prior art date
Application number
SU794797A
Other languages
English (en)
Russian (ru)
Publication of SU163997A1 publication Critical patent/SU163997A1/ru

Links

SU794797A SU163997A1 (de)

Publications (1)

Publication Number Publication Date
SU163997A1 true SU163997A1 (de)

Family

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3010440A1 (de) * 1980-03-19 1981-09-24 Stumpp + Kurz Gmbh + Co, 7000 Stuttgart Bohrwerkzeug zum herstellen einer und duebel zum formschluessigen einsetzen in eine in grosser tiefe mit einer konischen erweiterung versehenen bohrung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3010440A1 (de) * 1980-03-19 1981-09-24 Stumpp + Kurz Gmbh + Co, 7000 Stuttgart Bohrwerkzeug zum herstellen einer und duebel zum formschluessigen einsetzen in eine in grosser tiefe mit einer konischen erweiterung versehenen bohrung
US4410055A (en) * 1980-03-19 1983-10-18 Hilti Aktiengesellschaft Drilling tool

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