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US4915740A Hydraulic material composition having high strength 失效
具有高强度的液压材料组成

Hydraulic material composition having high strength
摘要:
A hydraulic material composition having high strength contains a hydraulic material containing as main ingredients an alkaline earth metal oxide and aluminum oxide (Al.sub.2 O.sub.3), ultra-fine particles having a mean particle size smaller by one order or more than that of the hydraulic material, a metal aggregate and a plasticizer.
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