getfrp
Granted

具有泡沫芯的夹芯构造类型的型材的连续制造和硬质泡沫填充的型材

Ask AI about this
Publication noCN105682905B
Grant noCN105682905B
Filing date2014-10-22
Publication date2018-09-25
Grant date2018-09-25
← Back to patentsCurated by f1frp editorial