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1.Barking machine having feed roller power-driven at certain peripheral speed or log-driven at higher speed 失效
标题翻译: 吠叫机具有以某种圆周速度驱动的进给辊,或以较高速度对数驱动公开(公告)号:US2774397A
公开(公告)日:1956-12-18
申请号:US40991254
申请日:1954-02-12
发明人: GUSTAV LEFFLER NILS
IPC分类号: B27L1/04
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2.Bleaching of cellulose pulp in towers in completely filled and closed system 失效
标题翻译: 在完全填充和封闭的系统中在塔中漂白纤维素纸浆公开(公告)号:US3313678A
公开(公告)日:1967-04-11
申请号:US25832263
申请日:1963-02-13
发明人: RYDIN STEN O
IPC分类号: D21C9/10
CPC分类号: D21C9/1026
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