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US5028695A
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Process for the manufacture of collagen membranes used for hemostasis, the dressing of wounds and for implants
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DE3203957A1
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Method for the production of fine-pore collagen sponges
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PH18300A
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Improved method of making collagen fibers for surgical use
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DK513681A
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Procedure for manufacturing collagen fiber-sustained material for surgical purposes
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AU7756681A
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Manufacture of collagen fibres
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ZA8107928B
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Method of making collagen fibers for surgical use
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EP0079398A1
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Process for the manufacture of collagen material for surgical purposes
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CA1161209A
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Method of making collagen fibers for surgical use
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GB2079797A
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Making collagen fibres for surgical use
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