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 On J.M. manual the Nec chips mentioned for the 
upgrade from 8 to 32 seconds are named as: "D424400V". 
Are the ones named "D424400V-80" the same ? Can 
they be used ? 
Why have they the "feets" curved liike a "u" and 
not straight ? 
Thanks for helping words. 
L. 
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