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                | Mining geological exploiting tools --->> Coal-Cutting Tips 
                  HCM20 |   
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                | Unit£ºmm |   
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                      | Type | Dimension |   
                      | D | H | h | h1 | r | ¦Á | ¦Á1 | ¦Â | e |   
                      | HCM20-97001 | 14.8 | 20.5 | 12.5 | 4.0 | 2.0 | 90¡ã | 35¡ã | 45¡ã | 1.5 |   
                      | HCM2018 | 18.0 | 30.0 | 20.0 | 6.0 | 1.5 | 80¡ã | 30¡ã | 1.0 |   
                      | HCM20-98002 | 35.0 | 28.0 | 4.0 | 2.5 | 110¡ã | 45¡ã | 62¡ã30' | 3.5 |  |    |  |  |