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PMM21 type coal mining bit

Type Dimension(mm) Note
D H R α β r a e
PMM2110 10.0 18.0 8.0 53° 30° 53° / 1.0 G87039
PMM2110A 20.0 5.5 50° 45° 52° / S410

 
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Monday 06 February, 2012
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