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Home > Scientific Research > Patents

一种防霾帐篷

Release time:2022-03-01 Hits:

Note:[14] 一种防霾帐篷,李志生等。专利号:ZL201922124864.5. 申请日:2019年12月02日,授权日,2020年09月11日,授权公告号:CN211473612U。
Application Number:ZL201922124864.5
Authorization number:CN211473612U。
Service Invention or Not:no
Application Date:2019-12-09
Authorization Date:2020-09-11