Cite
APA Citation
Tsai, I., Ken, I., & Ken, Y. (2021). the function and technical means analysis of manual wheelchairs based on patent documents. World patent information, 66, . http://access.bl.uk/ark:/81055/vdc_100142313801.0x00004c
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Tsai, I., Ken, I., & Ken, Y. (2021). the function and technical means analysis of manual wheelchairs based on patent documents. World patent information, 66, . http://access.bl.uk/ark:/81055/vdc_100142313801.0x00004c