| 摘要 |
1394582 Mortars KAJIMA KENSETSU KK 21 June 1972 [25 June 1971] 29068/72 Heading C1H [Also in Division B2] A mortar composition comprises an hydraulic cement, aggregate, synthetic resin emulsion and water. In examples the cement is white Portland cement, the aggregate is silica sand, the resin is epoxy resin, and the composition can contain asbestos tailings. |
