发明名称 WALL BOARD PAPER * WALL BOARD AND PRODUCTION THEREOF
摘要 <p>Drying oils are used to improve strength and durability characteristics of gypsum wallboard paper with many unexpected additional advantages. Applied before board manufacture, critical porosity characteristics are left uninterrupted. Applied after board manufacture, shear strengths are obtained beyond expectations.</p>
申请公布号 JPS5488310(A) 申请公布日期 1979.07.13
申请号 JP19780119864 申请日期 1978.09.28
申请人 NAT GYPSUM CO 发明人 DONARUDO ROBAATO KOORU;DONARUDO ANDORIYUU KOSASU
分类号 E04F13/14;B32B13/08;D21H17/02;D21H17/38;D21H17/48;D21H19/10;D21H27/22;E04C2/04 主分类号 E04F13/14
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