Image:Patent spec of Le Prieur regulator.gif

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[edit] Summary

From French patent 922.872 which was issued in 1946 or 1947

[edit] Licensing

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current18:38, 14 March 20061,021×1,679 (59 KB)Anthony Appleyard (Talk | contribs) (From French patent 922.872 which was issued in 1946 or 1947)

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