Anastomosis of lacrimal sac to conjunctival sac
Coelomic sac Coelom sac
peripodial sac peripodal sac
Acacia mearnsii tannin extracts
bayberry tannin extract
Black wattle tannin adhesive
catalysis-tannin extract de-sulfur method
condensed tannin
可水解鞣质
缩合鞣质
浓缩单宁
酚类物质
缩合单宁
缩合鞣素
Cr-Fe- tannin combined tannage
Cr-Fe-tannin combined tannage