document1 · tricol biomedical 7400 tric comfortable nonwoven dust mask outer layer: the outer...

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Page 1: Document1 · TRICOL BIOMEDICAL 7400 Tric Comfortable Nonwoven Dust Mask Outer layer: the outer layer is spunbond non-woven fabric. Solid support, effective dust isolation
Page 2: Document1 · TRICOL BIOMEDICAL 7400 Tric Comfortable Nonwoven Dust Mask Outer layer: the outer layer is spunbond non-woven fabric. Solid support, effective dust isolation