SU412991A2 - SPIRAL DRILL - Google Patents

SPIRAL DRILL

Info

Publication number
SU412991A2
SU412991A2 SU1753727A SU1753727A SU412991A2 SU 412991 A2 SU412991 A2 SU 412991A2 SU 1753727 A SU1753727 A SU 1753727A SU 1753727 A SU1753727 A SU 1753727A SU 412991 A2 SU412991 A2 SU 412991A2
Authority
SU
USSR - Soviet Union
Prior art keywords
spiral drill
drill
spiral
Prior art date
Application number
SU1753727A
Other languages
Russian (ru)
Other versions
SU412991A1 (en
Inventor
В. Д. Дриц изобретени
А. Ординарцев И.
К. Синелыциков А.
В. Филиппов Г.
Original Assignee
Всесоюзный научно исследовательский инструментальный
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 Всесоюзный научно исследовательский инструментальный filed Critical Всесоюзный научно исследовательский инструментальный
Priority to SU1753727A priority Critical patent/SU412991A1/en
Priority claimed from SU1753727A external-priority patent/SU412991A1/en
Application granted granted Critical
Publication of SU412991A2 publication Critical patent/SU412991A2/en
Publication of SU412991A1 publication Critical patent/SU412991A1/en

Links

SU1753727A 1972-03-01 SPIRAL DRILL SU412991A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1753727A SU412991A1 (en) 1972-03-01 SPIRAL DRILL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1753727A SU412991A1 (en) 1972-03-01 SPIRAL DRILL

Publications (2)

Publication Number Publication Date
SU412991A2 true SU412991A2 (en) 1974-01-30
SU412991A1 SU412991A1 (en) 1974-01-30

Family

ID=

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