Organic fibers, noncellulosic - Usurbil, Guipuzcoa, Spain

Aizpurua Lopetegui Jesus M en Usurbil, Guipuzcoa, Spain
Aizpurua Lopetegui Jesus M, Usurbil, Guipuzcoa, Spain, Silk yarn, spun, Organic fibers, noncellulosic, Preparación e hilado de fibras duras naturales, Noncellulosic Organic Fiber Manufacturing