发明授权
US1618093A Apparatus for cleaning boiler tubes, condenser tubes, and other surfaces
失效
用于清洁锅炉管,冷凝器管和其它表面的装置
- 专利标题: Apparatus for cleaning boiler tubes, condenser tubes, and other surfaces
- 专利标题(中): 用于清洁锅炉管,冷凝器管和其它表面的装置
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申请号: US12743426申请日: 1926-08-05
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公开(公告)号: US1618093A公开(公告)日: 1927-02-15
- 发明人: DAVID KENNEDY , CRUICKSHANK ANDERSON ALEXANDER
- 申请人: DAVID KENNEDY , CRUICKSHANK ANDERSON ALEXANDER
- 专利权人: Kennedy David,Anderson Alexander Cruickshank
- 当前专利权人: Kennedy David,Anderson Alexander Cruickshank
- 优先权: GB1618093X 1925-05-04
- 主分类号: F28G1/08
- IPC分类号: F28G1/08
公开/授权文献
- US09156972B2 Polypropylene melt-blown sealant films for retort packaging 公开/授权日:2015-10-13
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