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by 1958325146 2233 days ago
It looks like an iron-based chemistry: http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=....
1 comments
1958325146 2233 days ago
Sorry, you have to append a period to a URL to make it work. HN does not believe in URLs that end in periods, apparently.
link