RO65286A2 - HARD DRILL BIT WITH HARD PLATES - Google Patents

HARD DRILL BIT WITH HARD PLATES

Info

Publication number
RO65286A2
RO65286A2 RO8456876A RO8456876A RO65286A2 RO 65286 A2 RO65286 A2 RO 65286A2 RO 8456876 A RO8456876 A RO 8456876A RO 8456876 A RO8456876 A RO 8456876A RO 65286 A2 RO65286 A2 RO 65286A2
Authority
RO
Romania
Prior art keywords
hard
drill bit
plates
hard plates
hard drill
Prior art date
Application number
RO8456876A
Other languages
French (fr)
Romanian (ro)
Inventor
Vitalie Belousov
Mircea Cozminca
Mihai Severincu
Emil Grigoras
Cristian Constantinescu
Original Assignee
Institutul Politehnic
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 Institutul Politehnic filed Critical Institutul Politehnic
Priority to RO8456876A priority Critical patent/RO65286A2/en
Publication of RO65286A2 publication Critical patent/RO65286A2/en

Links

RO8456876A 1976-01-21 1976-01-21 HARD DRILL BIT WITH HARD PLATES RO65286A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO8456876A RO65286A2 (en) 1976-01-21 1976-01-21 HARD DRILL BIT WITH HARD PLATES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO8456876A RO65286A2 (en) 1976-01-21 1976-01-21 HARD DRILL BIT WITH HARD PLATES

Publications (1)

Publication Number Publication Date
RO65286A2 true RO65286A2 (en) 1979-01-15

Family

ID=20095695

Family Applications (1)

Application Number Title Priority Date Filing Date
RO8456876A RO65286A2 (en) 1976-01-21 1976-01-21 HARD DRILL BIT WITH HARD PLATES

Country Status (1)

Country Link
RO (1) RO65286A2 (en)

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