بحث
Recently, our company declared the utility model patent "A membrane structure for skeleton coal storage shed", "A sewage tank canopy membrane structure installation and connection structure", "an ETFE membrane structure with support cable", a total of 3 patents were awarded the patent right by the State Intellectual Property Office, obtained the "utility model Patent Certificate".
حقوق النشر © هيكل غشائي للملعب جميع الحقوق محفوظة.
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