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1.Treatment of discrete materials with gaseous media particularly applicable to drying 失效
标题翻译: 用气体介质处理离散材料,特别适用于干燥公开(公告)号:US1796324A
公开(公告)日:1931-03-17
申请号:US34555829
申请日:1929-03-08
IPC分类号: F26B17/14
CPC分类号: F26B17/1491
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2.Disinfector attachment for the flushing arrangements of water-closets and the like 失效
标题翻译: 水箱等的冲洗装置的消毒器附件
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