norma nº 521/1979

B=:
_ds____a-- .s-
-a-i--QL-Q5*
jhi-,----
Lrto__`]eh_i9¥_e_______.___,____
i,cck_Q___cke_ F±j Q±
!__a____fj±±fa__hs±nL--±&z`&z±c2£_+£±_._ chi-------9aa -__._ a-_JLe_
'-
±erLJ__9j|Jalliif-____
__5QJ-2iulL E:
J£_icL___
Cb;ap+cfi__±EL__ue±Qf±j=a_CAL_
---- ou s ---- :i
-cm_dii_ \RL.h+L`-ri `3haLis` :`. ut J-f\
±.t±~-`qu--a-S}£-rfujc|
E=ERE
-02')
_p__ ___a_ji£__ se.ei[^' iEx3j±__cl+utsofr_ cats _
±j±±stals5jQ_ _-lL _|±inulesa _ ra±jL_
I-__-_ stEAe+^ihj~c£Lft±lir`c`] _]±_D4±±_Ted ___~
f2a.+S-±r`ki_-____d£±rfu9=P_`e~±:±L±
_.Eke_si±j>c.EL±i>~jc~_isjL±Q±cOO____±i__)._g__a_I_2_~_=
c±±_s*±cb±±r`c-vc2~_caJcin__7
_-_33L_isL_&Q|-di__icb~_ ch .iiJ+-__`Ch+fiELi
7-33--------s-
-------Jis-'-----------
-- tJhi -I- drip----
b+Q±oc`a__ aj±±j±a&
__ . -I . .
s±±r>±i=±c3_±c±j>JL±.13>;§j±e=
_T`£.;`t`jeL-``-c\e` _``jL ip`
_sLfa±ASAiala+_ __ uej2Dc`jeAjsnia ±ji
-----a--- c-I--02 -le£|i±Q_____C2ti--_
\^_`~`-chlcLC``CT`LC-i.I: _T<ul-.`T~`C`=;`CL` `T``
-J`.,---a-±+±£Jvin-_
fuiQ￾fro`yu dr cu
a)Lil "€ s2_a.___Tjde____a__8___hdEL
--i-D---
EiH