发明授权
US5433519A Method and apparatus for the application of mortar or concrete by spraying 失效
通过喷涂应用砂浆或混凝土的方法和设备

Method and apparatus for the application of mortar or concrete by
spraying
摘要:
A method and device for the application of mortar or concrete by spraying, wherein a quick-acting binding agent mixed with an admixture is transferred to a spraying-nozzle by a pneumatic conveyor where water is added, wherein the binding agent is added mixed with the admixture during the pneumatic transfer.
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