标签“00722-1991”的相关文档,共1条
  • ISO 00722-1991 scan.pdf

    ISO 00722-1991 scan.pdf

    INTERNATIONALSTANDARDIS0722Thirdedition1991-02-15Rockdrillingequipment-Hollowdrillsteelsinbarform,hexagonalandroundMatckieldeforag...

    2026-02-02395152.58 KB64
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