If this is your amp it appears to have one fuse integrated in the power socket on the rear. Nowhere does it divulge the value of the fuse or whether it's fast- or slo-blo. It also appears to be self-biasing.
http://www.melodyamplifier.com/wp-content/uploads/2014/07/DARK-EL34-MULTILINGUE.pdf
http://www.melodyamplifier.com/wp-content/uploads/2014/07/DARK-EL34-MULTILINGUE.pdf