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Standard Insuued on: 1980-01

QJ 405-1978    Straight Shank Combination Drill with Angle (Ψ = 90° or 120°; D=5.3~12.9)
直柄角度复合钻 ψ=90°、120° D=5.3~12.9
Category No.:QJ Valid Status:valid
Issued Organization: Issued Date:1980-01-01
Implemented Date:1980-1-1 Abolished Date:
Superseded Standard.: Superseded Date:
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