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Members Library
(62 Viewing)Documents uploaded by Members from their own collections - For Reference, Research and Discussion.
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British Patent Specifications
(8 Viewing)British Patent Specifications on locks and security devices - For Reference, Research and Discussion.
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German Patent Specifications
(5 Viewing)German Patent Specifications on locks and security devices - For Reference, Research and Discussion.
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US Patent Specifications
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Press Releases from Yesteryear
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Document Translations
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Books on locks and keys
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On-line Links and Resources
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I have noticed a trend in my small collection of KIK (Key In Knob) cylinders. About half are 5/8" (.625") in diameter plus or minus a few thousandths, the other half are 16 mm (.630") in diameter...
Key In Knob (KIK)...