{HEAD ~ Preferred embodiments} and their comparative embodiments of {TAIL ~ hydrogen storage alloys} having a desired composition represented by the formula MmNi3.70 Co0.60 Mn0.60 Al0.20 will be described hereinafter 
{ HEAD ~ Preferred embodiments } and their comparative embodiments of { TAIL ~ hydrogen storage alloys } having a desired composition represented by the formula MmNi3.70 Co0.60 Mn0.60 Al0.20 will be described hereinafter
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH