发明名称 APPARATUS AND METHOD FOR PREPARATION OF SNOW-LIKE MATERIAL
摘要 <p>The invention relates to an apparatus and a method for preparing a snow board run (4). The apparatus comprises a preparation head (10) which includes means for preparing the snowboard run (4) of snow-like material and a means (8) for moving said preparation head. According to the method the preparation head means is moved in a desired manner relative to the walls (2) of the snowboard run (4) while the rotatable preparation roll of the preparation head prepares the object.</p>
申请公布号 WO1998033986(A1) 申请公布日期 1998.08.06
申请号 FI1998000098 申请日期 1998.02.03
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