| http://www.w3.org/ns/prov#value | - Now, the inventors have further made various studies with respect to laminates obtained by using the above modified polyisocyanurate foam as a core material, piling a light-weight decorative paper, sheet or film of plastics such as vinyl chloride resin and the like, mineral paper such as asbestos paper and the like, or an aluminum foil as a surface material on the core material through self-adhesi
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