Recuperative cableway system with fuel cells : United States patent no. US 9,490,657 B2
Štollmann Vladimír TUZLFLTLM - Katedra lesnej ťažby, logistiky a meliorácií
Ilčík Štefan
Suchomel Jozef
Šmál Peter
Alexandria : The United States Patent and Trademark Office , 2016. - 4 p. : 2 sch.
xkni - KNIHY
https://patentimages.storage.googleapis.com/f5/b8/ea/8df66993fd30b5/US9490657.pdf