CN215292311U - 一种便于调节高度的楼房建筑辅助楼梯 - Google Patents
一种便于调节高度的楼房建筑辅助楼梯 Download PDFInfo
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- CN215292311U CN215292311U CN202120726664.1U CN202120726664U CN215292311U CN 215292311 U CN215292311 U CN 215292311U CN 202120726664 U CN202120726664 U CN 202120726664U CN 215292311 U CN215292311 U CN 215292311U
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Effective date of registration: 20240511 Address after: No. 723, 724, 7th Floor, Unit 1, Building 1, No. 155 Wanjing Second Road, Wuhou District, Chengdu City, Sichuan Province, 610000 Patentee after: Sichuan Randong Construction Engineering Co.,Ltd. Country or region after: China Address before: 610000 room 901, floor 9, building 2, No. 1501, Section 1, Riyue Avenue, Qingyang District, Chengdu, Sichuan Patentee before: Sichuan Yiran Construction Engineering Co.,Ltd. Country or region before: China |
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AV01 | Patent right actively abandoned |
Granted publication date: 20211224 Effective date of abandoning: 20240527 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20211224 Effective date of abandoning: 20240527 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |