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Home › Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same

Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same

US Patent 5520223 · Granted May 28, 1996

Estimated economic value: $17,935,000 ⓘ

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