A section of thick bamboo is salvaged to eccentric formula punching loose -leaf
CHEN YING, KANG XIAOBIN, PAN DENGDIAN, ZHOU XUE, LI LUSHENG, JING YAJIE, LUO RANHAO, QIU FUYIN, ZHAO CHUNCHEN
Year of Publication 26.04.2017
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Year of Publication 26.04.2017
Patent