CN217007945U - 一种便于固定的投影仪二向色镜固定结构 - Google Patents
一种便于固定的投影仪二向色镜固定结构 Download PDFInfo
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Effective date of registration: 20240906 Address after: 225300 Yongxin Road, Yonganzhou Town, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Taizhou Yong'anzhou Film and Television City Co.,Ltd. Country or region after: China Address before: 266000 room 3734, Sino German Eco Park Innovation and entrepreneurship center, No. 172 Taibaishan Road, Qingdao area, China (Shandong) pilot Free Trade Zone, Qingdao, Shandong Province Patentee before: Qingdao Haibei Offshore Engineering Research Institute Co.,Ltd. Country or region before: China |