File:Ref5-US5172338.pdf
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Reference 5 in the summary document: US Patent 5,172,338
Ref6-US5297148.pdf
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 22:26, 12 October 2011 | (1.94 MB) | Bberg (talk | contribs) | Reference 5 in the summary document: US Patent 5,172,338 |
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