发明名称 Improvements to bituminous products
摘要 The present invention relates to a method for producing coloured bituminous products containing granulates, consisting in creating a layer of such products, characterised in that, after the said products have been prepared using white or coloured granulates, their outer surfaces are blasted with shot (grit) and/or sand, thus stripping the upper and/or outer surfaces of the said coloured granulates, and products thus obtained.
申请公布号 FR2666359(A1) 申请公布日期 1992.03.06
申请号 FR19900010778 申请日期 1990.08.29
申请人 BOYER MICHEL;MANIAQUE SYLVIE 发明人 BOYER MICHEL ANTOINE;MANIAQUE SYLVIE
分类号 E01C5/12;E01C7/18;E01C7/32;E01C7/35 主分类号 E01C5/12
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