a4a5eaed_semiconductor______Patents_com__Description
[Patent #] 2011/0174245 [Description] 
COOLING DUCT FOR A PISTON OF A COMBUSTION ENGINE Disclosed is a cooling duct (6) for a piston (1) of a combustion engine. The cooling duct (6) has an annular shape and comprises two openings (7, 8) which are...
Applications filed at Jul 21 2011 | Method for producing nitride semiconductor laser light source and apparatus for producing nitride semiconductor... | Patents.com