- en.wikipedia.org Alphonse Beau de RochasAlphonse Eugène Beau de Rochas (9 April 1815, Digne-les-Bains, Alpes-de-Haute-Provence – 27 March 1893, Vincennes) was a French engineer.
- britannica.com Engineering Civil EngineeringBeau de Rochas patented his idea in 1862 but did not build such an engine, leaving the development to others.
- gracesguide.co.uk Alphonse_Beau_de_RochasBu sayfanın açıklaması webmaster tarafindan gizlenmiştir.
- buyukansiklopedi.com Alphonse_Eugène_BeauAlphonse Eugene Beau olarak bilinen Beau de Rochas doğdu,9 Nisan 1815içinde Digne-les-Bains ve öldü27 Mart 1893içinde Vincennes'e...
- ecured.cu Alphonse_Beau_de_RochasAlphonse Beau de Rochas (9 de abril de 1815, Digne, Francia—27 de marzo de 1893, Vincennes). Ingeniero francés.
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- feeddi.com alphonse-beau-de-rochas-kimdirAlphonse Eugène Beau de Rochas, (d. 9 Nisan 1815, Digne-les-Bains - ö. 27 Mart 1893, Vincennes) Fransız mühendis.