process for the production of anhydrous calcium sulphate and halbhydrat from synthetic gypsum

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  机译： α-硫酸钙的生产方法-卤水合成二水合硫酸钙

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  机译： α-硫酸钙的生产方法-卤水合成二水合硫酸钙

• 5. process for the production of ªÿ - calcium sulphate - halbhydrat synthetic calcium sulphate dihydrate [P] . 德国专利： DE000001157128A . 1963-11-07

  机译： ªÿ-硫酸钙-卤水合成二水合硫酸钙的生产方法

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