CN103464915B - 一种不同直径铝合金管道的焊接连接方法 - Google Patents
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CN110878997B (zh) * | 2018-09-06 | 2021-09-07 | 南通华信中央空调有限公司 | 剖分分液头的封装方法、分液头改装方法及换热器 |
CN111098090A (zh) * | 2018-10-29 | 2020-05-05 | 兴化市中科渗铝钢管有限公司 | 一种渗铝管道焊接方法 |
CN110307411A (zh) * | 2019-04-23 | 2019-10-08 | 郑州宇光复合材料有限公司 | 一种液化天然气管道过渡接头 |
CN111644774A (zh) * | 2020-06-08 | 2020-09-11 | 二重集团(镇江)重型装备厂有限责任公司 | 一种管件焊接结构及工艺 |
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GB2131725A (en) * | 1982-12-03 | 1984-06-27 | Garrett William R | Improvements in or relating to a surface protected tubular member |
FI75040C (sv) * | 1987-01-30 | 1988-04-11 | Goeran Sundholm | Svetsad rörförbindning. |
DD259662A1 (de) * | 1987-04-09 | 1988-08-31 | Geraete & Regler Werke Veb | Fuegestelle an rohren aus stahl |
JPH08312869A (ja) * | 1995-05-22 | 1996-11-26 | Mitsui Petrochem Ind Ltd | 管継手と管の融着時の管の固定方法および装置と管の切削工具 |
CN100434227C (zh) * | 2004-11-22 | 2008-11-19 | 上海工程技术大学 | 薄壁小直径铝合金管焊接接头构造及其焊接方法 |
CN103317258B (zh) * | 2013-07-12 | 2015-07-08 | 兰州理工大学 | 用于铝合金活性tig焊的活性剂 |
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Owner name: QIDONG TIANFEN ELECTRIC TOOL TECHNOLOGY INNOVATION Free format text: FORMER OWNER: YU ZILANG Effective date: 20150706 |
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Effective date of registration: 20150706 Address after: Qidong City, Jiangsu province 226200 Nantong lvsigang Tianfen electric tools trade city comprehensive building Patentee after: Qidong Tianfen Electric Tool Technology Innovation Center Address before: 321035 Pukou village, filial piety Town, Jindong District, Jinhua, Zhejiang Patentee before: Yu Zilang |
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Effective date of registration: 20180504 Address after: 226200 Jiangsu Qidong Lv Si Gang Economic Development Zone Binhai Industrial Park No. 37 Jiangtian Road Patentee after: East and pipeline technology (Jiangsu) Co., Ltd. Address before: 226200 Jiangsu, Nantong, Qidong City, Lv Si Gang Town, Tian Fen electric tools business city complex building Patentee before: Qidong Tianfen Electric Tool Technology Innovation Center |