CN207527041U - 一种多级机械密封式采煤机内喷雾油水隔离旋转密封系统 - Google Patents
一种多级机械密封式采煤机内喷雾油水隔离旋转密封系统 Download PDFInfo
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CN201721688968.3U CN207527041U (zh) | 2017-12-07 | 2017-12-07 | 一种多级机械密封式采煤机内喷雾油水隔离旋转密封系统 |
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CN201721688968.3U CN207527041U (zh) | 2017-12-07 | 2017-12-07 | 一种多级机械密封式采煤机内喷雾油水隔离旋转密封系统 |
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Cited By (1)
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CN108087557A (zh) * | 2017-12-07 | 2018-05-29 | 张文涛 | 一种多级机械密封式采煤机内喷雾油水隔离旋转密封系统 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108087557A (zh) * | 2017-12-07 | 2018-05-29 | 张文涛 | 一种多级机械密封式采煤机内喷雾油水隔离旋转密封系统 |
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Effective date of registration: 20210903 Address after: 130000 Zhengjiatun, Shuanglong Village, Xixin Town, Luyuan District, Changchun City, Jilin Province Patentee after: JILIN TAIJIA MINING EQUIPMENT Co.,Ltd. Address before: 130000 room 304, building 9, chunchunjiayuan, Suizhong Road, Heping Street, Changchun City, Jilin Province Patentee before: Zhang Wentao |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20230505 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20230505 |