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