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绳绞车（无极）
Release Time:2022-01-09| Hits:
Title:绳绞车（无极）
Institution:机械工程学院
Type of Patent:Appearance design
Application Number:202030591888.7
Number of Inventors:1
Service Invention or Not:No
Application Date:2020-09-30
Publication Date:2021-05-07
Authorization Date:2021-05-07
Release Time:2022-01-09
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