CN109720739B - 一种真空容器上结构改进的观测口 - Google Patents
一种真空容器上结构改进的观测口 Download PDFInfo
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GB699921A (en) * | 1950-03-22 | 1953-11-18 | Alois Vogt | Improvements in or relating to cleaning observation windows in high vacuum chambers |
DE8811508U1 (zh) * | 1988-09-12 | 1988-11-10 | Leybold Ag, 6450 Hanau, De | |
CN203411605U (zh) * | 2013-08-09 | 2014-01-29 | 中建材光电装备(太仓)有限公司 | 一种真空腔室观察窗装置 |
CN203908303U (zh) * | 2014-05-23 | 2014-10-29 | 沈阳真空技术研究所 | 真空感应熔炼炉用可清洁观察窗 |
CN205470861U (zh) * | 2016-02-19 | 2016-08-17 | 安徽美欣制药有限公司 | 一种药液储罐的观察窗 |
CN207178683U (zh) * | 2017-02-25 | 2018-04-03 | 东莞市鹏升包装制品有限公司 | 一种新型硫化机中心机构的密封机构 |
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Effective date of registration: 20200603 Address after: 233010 Room 302, No. 8319 Yanshan Road, Bengbu City, Anhui Province Applicant after: Bengbu Lichao Information Technology Co.,Ltd. Address before: Room 1303, Building B, Kangxin Garden, 569 Wensan Road, Xihu District, Hangzhou City, Zhejiang 310000 Applicant before: HANGZHOU EZSOFT TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221111 Address after: 252000 Room 302, Complex Building, Intelligent Optoelectronic Information Industrial Park, No. 16, Heilongjiang Road, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province Patentee after: Liaocheng Laitong International Trade Co.,Ltd. Address before: 233010 No. 8319, Yanshan Road, Bengbu City, Anhui Province (Room 302, No. 6, shanglida Science Park) Patentee before: Bengbu Lichao Information Technology Co.,Ltd. |