首页>
外国专利>
set of two models of trays of rectangular shape having both of scontonature and an edge perimeter over concentric steps.the steps of the rim of a tray having the same area as one of the steps of the edge of the other tray has a surface of gold.
set of two models of trays of rectangular shape having both of scontonature and an edge perimeter over concentric steps.the steps of the rim of a tray having the same area as one of the steps of the edge of the other tray has a surface of gold.
