发明名称 Wood pretreatment before sulphite cook- - ing
摘要 <p>Wood chips from deciduous trees are pretreated with aqs. soln. of an alkali(ne earth) metal or ammonia(bi)sulphite sulphite, or a mixture thereof in order to prevent growth of microorganisms during the subsequent storage in open air, which prevents decomposition of resinous matter.</p>
申请公布号 DE2026505(A1) 申请公布日期 1971.06.24
申请号 DE19702026505 申请日期 1970.05.30
申请人 发明人
分类号 D21B1/38 主分类号 D21B1/38
代理机构 代理人
主权项
地址