in the control of the government in kind

摘要

this research is a part of the inside of the existing belt of rubber and other elastic materials in the new time is, use the strong pressure and pain, back pain and inconvenience of living, or, if too loose, flowing and disease occurrence. according to the invention, this part of the work, make the necessary belt, the length to increase or decrease to the institutions, the increase in the waist and the back, to stop the pain and discomfort, and feel the effect is the characteristics of it, is to create.