CN207968561U - 一种带信息发布功能的楼宇对讲系统 - Google Patents
一种带信息发布功能的楼宇对讲系统 Download PDFInfo
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Address after: 510799 Room 101, 308 Gangwan Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Yusheng New Technology Co., Ltd. Address before: 510799 Room 101, 308 Gangwan Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Yu Sheng Hi Tech Co., Ltd. |
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Address after: 510799 one of the 101 rooms of 308 Harbour Road, Huangpu District, Guangzhou, Guangdong, 02. Patentee after: Guangdong Yusheng Technology Co., Ltd Address before: 510799 one of the 101 rooms of 308 Harbour Road, Huangpu District, Guangzhou, Guangdong, 02. Patentee before: GUANGDONG YUSHENG HIGH AND NEW TECHNOLOGY Co.,Ltd. |
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