** discussions:
*** http://www.usinages.com/threads/grugeuse-a-tube.10654/
*** [http://webcache.googleusercontent.com/search?q=cache:a8o6gFdvaLIJ:www.velocipedesalon.com/forum/f10/photos-main-tube-mitering-fixtures-bridgeport-21045.html+&cd=6&hl=en&ct=clnk&gl=us velocipedesalon.com "Photos of main tube mitering fixtures for bridgeport"]
** exemples de modèles sur le marché:
*** pro-tools.com: [http://shop.pro-tools.com/products/hsn-501i-aspx], [http://www.pro-tools.com/international-customers/]