CN104846846B - 一种防坠窨井盖组件 - Google Patents
一种防坠窨井盖组件 Download PDFInfo
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CN106087975B (zh) * | 2015-11-20 | 2020-09-22 | 上海市政工程设计研究总院(集团)有限公司 | Smw工法桩顶圈梁结构及其施工方法 |
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JPH09296467A (ja) * | 1996-05-08 | 1997-11-18 | Kawasaki Tetsumou Kk | 桝 蓋 |
KR100473047B1 (ko) * | 2002-01-11 | 2005-03-08 | 윤정호 | 캠 장착 맨홀뚜껑 잠금 장치와 이의 제작방법. |
CN201296934Y (zh) * | 2008-10-06 | 2009-08-26 | 高长江 | 彩色发光护网安全井盖 |
CN201943091U (zh) * | 2010-07-30 | 2011-08-24 | 无锡市新大地合成材料有限公司 | 一种带有开启拉环的分离式检查井盖组件 |
CN201817822U (zh) * | 2010-10-20 | 2011-05-04 | 青岛泰能鲁尔新技术有限公司 | 一种燃气阀门井井盖开启车 |
CN204690800U (zh) * | 2015-05-27 | 2015-10-07 | 苏州科锐恒机械科技有限公司 | 一种防坠窨井盖组件 |
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Inventor after: Qiu Caijun Inventor before: The inventor has waived the right to be mentioned |
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Effective date of registration: 20160809 Address after: 750000, the Ningxia Hui Autonomous Region, Yinchuan, Xingqing District, Xinhua East Street, Lishui homes, No. 42 business building, room 7 Applicant after: The Ningxia abundant mechanical Science and Technology Ltd. of letter Address before: 215000 Jiangsu city of Suzhou province Wuzhong District Long Bridge Street South Lishu street 8 Building No. 1 Applicant before: The mechanical Science and Technology Ltd. of the sharp perseverance of Suzhou section |
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Effective date of registration: 20170816 Address after: 100082, No. 1, building 32, 11 North Main Street, Haidian District, Beijing, Xizhimen, 1203 Patentee after: Beijing Luoke Han Technology Co. Ltd. Address before: 750000, the Ningxia Hui Autonomous Region, Yinchuan, Xingqing District, Xinhua East Street, Lishui homes, No. 42 business building, room 7 Patentee before: The Ningxia abundant mechanical Science and Technology Ltd. of letter |
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