Abridgments Of Patent Specifications 1225001 - 1250000, Published Between 17 March 1971 And 13 October 1971 Inclusive. B7 Transport
The Patent Office - HMSO, 1972, 1st edition. Cloth, F. 167+[iv]+clxv-clxxxix+clxiv+488pp, b/w illustrations throughout, a fine copy. Hardback , no dustjacket.
¶ Contains brief specifications of inventions pertaining to Transport - Road, Rail, Marine & Aviation.
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Book number: 26234
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Keywords: patents, inventions, aviation, trains, railways, marine, ships, shipping, planes, cars, automobiles, locomotives