实用 2022221509721 一种耐静电型印花涤纶布【报过项目】

1人

B32B27/36 B32B27/02 B32B27/40 B32B27/08 B32B27/12 B32B5/02 B32B5/26 B32B9/02 B32B9/04 B32B27/06 B32B33/00 B32B3/08 A41D31/02 A41D31/26 A41D31/32 A41D31/08 A41D31/04 A41D31/30 A41D31/24 A41D31/06 A41D31/102