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NA 043

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Standards [CURRENT]

ISO 722
Rock drilling equipment; hollow drill steels in bar form, hexagonal and round

Title (German)

Gesteinsbohren; Hohlbohrstangen, sechskant und rund

Responsible national committee

NA 060-15-05 AA - Rock drill rigs  

Responsible international committee

ISO/TC 82 - Mining  

Edition 1991-02
Original language English
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