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Huapeng Zhang
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Hangzhou, CN
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Patents Grants
last 30 patents
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Patent Grant
Device for biaxially-oriented stretching polytetrafluoroethylene ho...
Patent number
10,293,537
Issue date
May 21, 2019
ZHEJIANG SCI-TECH UNIVERSITY
Yuhai Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
A Device for Biaxially-Oriented Stretching Polytetrafluoroethylene...
Publication number
20160257049
Publication date
Sep 8, 2016
ZHEJIANG SCI-TECH
Yuhai Guo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL