发明授权
US07572048B2 Apparatus for highly controlled color distribution in mass produced concrete products 有权
用于大批量生产的混凝土产品中高度控制的颜色分布的装置

Apparatus for highly controlled color distribution in mass produced concrete products
摘要:
An apparatus for highly controlled color composition and distribution within the face mix of semi-dry concrete mix paving stones is disclosed.
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