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BS 4441-3:1974 | 29 Nov 1974 | BSI Knowledge
Standard
Withdrawn
BS 4441-3:1974
Specification for percussive rock-drilling bits, rods and stems. Extension drilling equipments (rope threads)
Published:
29 Nov 1974
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Withdrawn: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