Tag Archives: coverings

Grate like protective coverings for trees

Application Number: 00110101Application Date: 2000.02.01Publication Number: 1259274Publication Date: 2000.07.12Priority Information: International: A01G13/02;E01C9/00Applicant(s) Name: Yang YongquanAddress: Inventor(s) Name: Yang YongquanPatent Agency Code: 21119Patent Agent: chen hualiAbstract A kind of grate is made of composite material containing rubber and plastics to instead metal material and cement, in which pigment is added to form different colours, its shape… Read More »