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Convenient door handle / door handle

Convenient door handle

Through improvement of the structure of the door handle and innovation of the usage method, the convenient door handle adds the usage function of U-type lock under condition of no changing the nature of the door handle and let the door handle replace the U-type lock thus achieve the aim of saving energy and provide more convenient usage method for people.


South China Agricultural University

South China Agricultural University
Guangdong guangzhou, China