www.google.com.auhttp://www.google.com.au/patents/US3316557?utm_source=gb-gplus-sharePatent US3316557 - SURGICAL, VASCULAR PROSTHESIS FORMED OF COMPOSITE YARNS CONTAINING BOTH SYN- THETIC AND ANIMAL DERIVATIVE STRANDS
SURGICAL, VASCULAR PROSTHESIS FORMED OF COMPOSITE YARNS CONTAINING BOTH SYN ...
