CN208789329U - 用于教育教学的讲解装置 - Google Patents
用于教育教学的讲解装置 Download PDFInfo
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- CN208789329U CN208789329U CN201820587806.9U CN201820587806U CN208789329U CN 208789329 U CN208789329 U CN 208789329U CN 201820587806 U CN201820587806 U CN 201820587806U CN 208789329 U CN208789329 U CN 208789329U
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Effective date of registration: 20190716 Address after: 100000 Beijing Haidian District Houtun South Road, No. 26, 4th floor, 5-35 Patentee after: BEIJING HUACAN ELECTRONICS Co.,Ltd. Address before: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190716 Address after: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 325000 No. 105 Huilu Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province (Wenzhou Chuangxin Education Equipment Co., Ltd.) Patentee before: Lou Bilin |
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