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HEAT-INSULATING WALLING BLOCK AND APPARATUS AND METHOD FOR PRODUCING SAME
HEAT-INSULATING WALLING BLOCK AND APPARATUS AND METHOD FOR PRODUCING SAME
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机译:隔热壁板和装置以及制造隔热壁板和装置的方法
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摘要
The polystyrene foam insert is placed in a mould and the concrete mixt. is poured round it. Pref. a double mould should be used. The building element is formed by the simultaneous application of pressure and vibration to produce the required density.
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