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一种发条储能螺丝刀

Note: 吴小平，张庭生，孔维东，范志勇，涂煜柯，黄宇轩，张祖涛，一种发条储能螺丝刀，2020.12.25，中国发明专利，ZL201911082329.6

Type of Patent: Software copyright

State of Patent: Have authorized

Authorization number: ZL201911082329.6

Service Invention or Not: yes

Authorization Date: 2020-12-25

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