Invention Grant
US07771138B2 Multi-stage modular road paving equipment and method of manufacture and sales 有权
多级模块化路面摊铺设备及制造销售方法

Multi-stage modular road paving equipment and method of manufacture and sales
Abstract:
A multi-stage modular road building equipment system where a first stage base tractor is coupled to an intermediate stage, such as a spreading screw, and a third stage screed road paving tool attachment or other attachment such as a widener.
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