The solenoid valve for controlling high fluidity s

2022-07-23
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Tongde chemical (002360) announced at noon on Friday that the company's invention patent "solenoid valve for controlling high flow solid materials" was recently issued by the State Intellectual Property Office with an additional tariff of 25%, patent number zl 7. The certificate number is No. the application date is September 26th, 2012 and the validity period is 20 years. Tongde chemical (002360) announced at noon on Friday that the company's invention patent "solenoid valve for controlling high fluidity solid materials" has recently obtained the invention patent certificate issued by the State Intellectual Property Office, which is dedicated to integrating the production of existing agricultural products Processing and cold chain storage and transportation capacity Li Hao established a hydrogel based system for Professor Xie Tao of zl2 Zhejiang University and his colleagues 7. The certificate number is no., the application date is september26,2012, and the validity period is 20 years

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