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BS 4441-2:1969 | 28 Mar 1969 | BSI Knowledge
Standard
Withdrawn
BS 4441-2:1969
Specification for percussive rock-drilling bits, rods and stems. Integral stems
Published:
28 Mar 1969
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Withdrawn:
Date not available
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ICS Codes
73.100.30 Equipment for drilling and mine excavation
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BSI