norma nº 851/1979

	


 
  !" #$"%$& '&(%)%*#"$+, -./ 01 2345 62 78 9:;<=; 78 4>?> @
AB 
CDECFG
 ;H9=8IJ9K 78<LIJ=; M9 I8K9:9; 9M8N9 9 E9 OI9< KSITU4VW8MLK9<P PQRP X9:; <9Y8I Z[8 9 \I;M9I978 U8I897;I8< 9]I;^;[ 8 8[ <9MLJ;M; 9 <8:=KJM=8-8J_ RI=J:; `a b XJL9 cI8d8J=; //eKKPJLJ]9K9[=;IJf97; 9 ^8M78I 8H \;ML;II8MLJ9 ceYKJL95 M;< =8K4HTg7; h8LI8=; -8J X878I2Q M1 6VV5 78 63 78 d8^8I8JI; 78 4>i?5 ii jg8<<8M=9 8 g8J<k lm2eg5 [<9 7;<5 L;H 9< 8<]8LJdJL9:;8< L;M<=9Q=8< 79 I8K9:9; 9M8N95 Z[8 d9f nop =8 JM=8:I9M=8 79 ]I8<8M=8 -8JP RI=J:; 1 q r8^;:9Hq<8 9< 7J<];<J:;8< 8H L;M=I9 sDtuu vs ssss wQ7T wQg 78TKJ^8JI9 cI d8J=; xxx g8LP yP RTzdJJMJ<=I9:9;


 	
 



 	
    !"#$% &'()$*+,-(-.+, /01203425460768595:32414; <=>?@A B#"CDEC FGHIJFKLLMNOP> QR?> ST IPFJH@R?J UASSVWS XW SX Y=QRZ UASSAWS ZPFJQQP SW ZPZGJQQP [AW\AWS XS ZPFJQQP ]AXSAX\ S^ @FRZPO>Q \AUSAX^ S^ S^ IPFJH@R?J ]A]\AX\ S^ _ SW ZP`JQQP \ASSAXa S^ >@Q>H aA\SAXa Sa IPFJH@R?J ]A\SAX[ SX @FRZPO>Q aASSAXa S^ SW bRRYcJ>F aA\SAXa Sa SX IPFJH@RLMLL Xa\AX^daA^\GX^ S^ SW ZPFJQQP X[AS^ATS Sa S\ bRRYFPO` XTASSAW^ XW ST IPFXPNH@R?J XTASSAW^ XW SX bRRY cJ>F \AUSAX^ S^ S\ IPFJefgR?J SX YhiQRZ aASSAXa ST bRRYFPO` S\ jZPFJH@R?J SW ZPkfQPlP ZPFJQQP aA\SAXa Sa bRRY cJ>F ]AXSAX\ Sa IPFfH@R?NJ aA\SAXa Sa SX mJiAiQcHZFP?=IPJQY ZPFJQQP ]ASSAX^ S^G SW XTASSAW^ S[ SX I=QRZ ]A\SAXa bRRYFPO` Xa\AX^daG^\GX^ S^ bRRY nopq ]ASSAX^ S^ @FRZPO>Q rG][AX^ S^