ISO 1720:1974 PDF

Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 1 1/2 to 2 in (38 to 51 mm)

Open preview (PDF)Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 1 1/2 to 2 in (38 to 51 mm)

Title (English):

ISO 1720:1974

Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 1 1/2 to 2 in (38 to 51 mm)

Document status:

Withdrawn

Format:

Electronic (PDF)

Number of pages:

6

Publication date:

July 1, 1974

Edition:

ISO IS 1720 edition 1 version 1

ICS:

73.100.30

Technical details

Technical committee

ISO/TC 82 - Mining

SKU

ISO 1720:1974