Duplicate Content problem because of html?PageSpeed=noscript

Hi

Im facing the problem of duplicate Meta tag because of html?PageSpeed=noscriptI have for exp :

http://ift.tt/1MpSpCg
http://ift.tt/1BCuNGz

I want to block it by robots.txt , but i dont know the correct formula .

for the print pages i have this code : Disallow: /*.html?print$ But for the pagespeed i dont know which is the exact one

any help please it will be appreciated

thanks

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