pg_dump trunc some rows

Hi all,
I have a DB ( postgres 7.3.3 ) with encoding SQL_ASCII and in
some field I have strange character:

# \encoding
SQL_ASCII
# select city, id_country from user_data where id_user = 4146;
city | id_country
---------------------------+------------
Serra de Outes - A Coruña | 61
(1 row)

now if I do a dump the line relative to this row is truncated and
after the field city field id_country is not dumped!!!
I tried to use the pg_dump of Postgres 7.3.2 and I have the same
error :-(
BTW I'm without backup

Any Idea?

Gaetano
Mendola

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