Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
Inventor
active
Asymmetric hollow acrylic fibers
Hollow fiber membranes of ethylene copolymers and process for us
Method for filtering through highly permeable acrylic hollow fib
Method for making a weft and a wig made from the same
Method for producing highly permeable acrylic hollow fibers
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