double glass silk wrapped copper wire
glass silk covered round copper wire
glass silk-wrapped enameled copper wire
complete equipment for silk and silk piece goods & spun silk piece goods
fritted glass filter sintered glass filter
glass-on-glass ddrawing technique
sintered glass filter fritted glass filter
Glass and Glass-Ceramic Mirrors
glass-coated steel & glass-lined steel
blanket with silk or rayon silk bindings
silk manuscripts，(ancient)book copied on silk