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ISO 9001:2000
Issuer:SGS United Kingdom Ltd Systems & Services Certification
Issue Date: Feb, 2007
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U.S. PAT. NO. of 7,172500 B1.TAIWAN PAT. NO. of M 303790
Adjustable Knife Sharpener has the honor to receipt the multi-countries patent take from US and Taiwan as first.
Issuer:The Director of the United States Patent and Trademark Office
Issue Date: Feb, 2007
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Awards:
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