CN212185249U - 一种多功能吸氧医用防护口罩 - Google Patents
一种多功能吸氧医用防护口罩 Download PDFInfo
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- CN212185249U CN212185249U CN202020463876.0U CN202020463876U CN212185249U CN 212185249 U CN212185249 U CN 212185249U CN 202020463876 U CN202020463876 U CN 202020463876U CN 212185249 U CN212185249 U CN 212185249U
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Address after: 101500 room 501-2693, Development Zone office building, No.8, Xingsheng South Road, Miyun Economic Development Zone, Beijing Patentee after: Dao'en Gaocai (Beijing) Technology Co.,Ltd. Patentee after: XIAMEN HAICANG Hospital Patentee after: BEIJING University OF CHEMICAL TECHNOLOGY Address before: Huanqiu Engineering Co., Ltd., building 7, yinghuayuan East Street, Chaoyang District, Beijing 100029 Patentee before: Dao'en Gaocai (Beijing) Technology Co.,Ltd. Patentee before: XIAMEN HAICANG Hospital Patentee before: BEIJING University OF CHEMICAL TECHNOLOGY |
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CP02 | Change in the address of a patent holder |