发明申请
US20100068401A1 PROCESS FOR TREATING CONCRETE 审中-公开
处理混凝土的工艺

PROCESS FOR TREATING CONCRETE
摘要:
A method of treating a concrete surface to render it less susceptible to undesired staining or marking, the method comprising contacting the surface with an aqueous solution comprising a water soluble polyphosphate of a monovalent or divalent cation.
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