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19:17 Jan 15, 2002
Spanish to English translations [PRO] / Banknote production
Spanish term or phrase:prueba de porosidad después de arrugamiento
Test performed on security paper to measure the separation of paper fibers after crumpling.
Explanation: I think there are different types but I haven't found a specific name for yours. My suggestion is to say one of the above followed by a short explanation, eg "porosity test after wrinkling"