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1.Paper-making screen having at least its warp threads composed of phosphorusbronze alloys 失效
标题翻译: 造纸屏幕至少具有由磷布合金组成的经线公开(公告)号:US3279899A
公开(公告)日:1966-10-18
申请号:US32577463
申请日:1963-11-22
发明人: LOTHAR BANGERT
IPC分类号: D21F1/10
CPC分类号: D21F1/10 , Y10T428/12431