:
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" " 35 . "" R, : - -, -, . TeflonR; - PyrovatexR, , ""; - , 12.4.219-99 EN 471. R : - , , ; - ; - R . , , , , , , "", , , , , , , . 2000 . " " " ". 2002 . " " . 2003 . IRG (Interactive Research Group) " " "100 ".