Transparent surface element i.e. glass surface, operating device for car, has transformers attached to surface elements, where operating voltage is produced from alternating voltage depending on transformers - 佰腾网专利查询 - 全球专利搜索领导品牌
Shielding device for storage of mobile telephone, has hollow shaped housing with flat base area for storage of mobile telephone, and opening aligned in plane that is perpendicular or inclined to base area - 佰腾网专利查询 - 全球专利搜索领导品牌
Device for measurement of viscosity in liquid by issuing stable boundary surface wave, has substrate with two superficial diaphragm cells positioned at substrate in adjacent manner - 佰腾网专利查询 - 全球专利搜索领导品牌