LaMaVlamav.weebly.com/uploads/5/9/0/2/5902800/research... · vitreous or non-crystalline) in the...
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LaMaVlamav.weebly.com/uploads/5/9/0/2/5902800/research... · vitreous or non-crystalline) in the patent titles. This search resulted in about 370,000 patents issued worldwide [ll