CN213037160U - 一种水利管道铺设牵引装置的辅助滚动机构 - Google Patents
一种水利管道铺设牵引装置的辅助滚动机构 Download PDFInfo
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- CN213037160U CN213037160U CN202020740685.4U CN202020740685U CN213037160U CN 213037160 U CN213037160 U CN 213037160U CN 202020740685 U CN202020740685 U CN 202020740685U CN 213037160 U CN213037160 U CN 213037160U
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Effective date of registration: 20220608 Address after: Room 2-1, unit 2, building D, No. 168, Runyan East Street, Runyan community, Yanyuan County, Liangshan Yi Autonomous Prefecture, Sichuan 615000 Patentee after: Liangshan cave Luqiao Engineering Co.,Ltd. Address before: 363100 Xinyang 461 Xinyang village, Zini Town, Longhai City, Zhangzhou City, Fujian Province Patentee before: Yao Weipeng |
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Granted publication date: 20210423 Effective date of abandoning: 20220707 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20210423 Effective date of abandoning: 20220707 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |