I am using this command: trying to restore a .dump file of odoo v8.

DB=new_database_name && createdb $DB && psql -d $DB < backup_database

And i get multiple " invalida command", like;

invalid command \J▒▒
invalid command \jb"▒▒▒iHdq▒ȇG
invalid command \P▒<▒+a96]▒ٜ▒+▒▒▒▒▒▒▒▒▒▒▒}u▒▒▒P▒#▒],▒▒ĶcI!m_W▒v▒▒▒▒D▒▒|▒V;2▒WGz▒▒▒▒▒▒3$^▒▒▒R▒▒▒▒u▒▒Z▒▒Η▒6!▒鰨▒]ӑ▒
invalid command \▒Q
invalid command \▒x▒zt;▒▒jfwB▒▒3f
invalid command \▒q▒▒`K▒▒t▒t▒?▒▒x▒z[▒▒c]▒TV▒׎▒s▒f▒us▒▒5▒▒▒V▒▒׹▒▒M▒▒▒+▒▒▒▒▒y$▒K▒▒▒▒▒1u▒r▒ۃ▒w@▒]-▒▒k▒
invalid command \LB"nх▒XW!▒S~▒▒▒
invalid command \3▒▒▒▒▒▒▒#*▒▒D▒_e2~▒▒W▒i▒?|ɂ1▒,p5▒8Nex/▒㍓▒▒K▒K▒)▒j%v▒▒▒▒
invalid command \▒▒۪▒{E▒▒L▒+▒▒▒+▒▒▒▒▒▒>:▒▒▒▒u▒u▒3▒▒ݞk▒▒#▒▒'zK▒▒▒J;`WO޼i,▒▒▒▒Y▒▒▒eMg▒7▒▒CWv▒▒4▒▒Ҷ▒▒▒5ʗ~▒▒▒2r▒m▒~▒▒▒▒lI▒▒▒h▒▒▒▒▒0▒]I▒M▒^d▒>▒▒▒<`▒▒▒y▒
invalid command \▒▒|}▒▒W-lݔ▒▒t▒▒w▒
invalid command \▒▒▒▒gW▒u▒▒=9▒"▒3▒▒es8▒▒▒8▒▒$>▒▒Wr▒▒▒c_▒~▒▒▒,▒
invalid command \^N▒▒▒QB▒▒▒5▒ȋ▒ٹMmy%-϶▒
invalid command \+▒▒▒rƊS▒Q+q▒cR|/O▒?▒
ERROR:  invalid byte sequence for encoding "UTF8": 0x92
invalid command \▒1Մe▒%▒M▒8▒▒▒▒▒▒S▒^▒ŧ▒▒
invalid command \▒▒
invalid command \M▒@d!▒ƌ▒S$Z
invalid command \▒LK)id▒d}▒W▒N▒▒▒▒▒▒
invalid command \T▒▒▒粖EZ▒2▒▒ׯ▒m$▒ɕ,n▒?▒&▒Н9>H▒▒
invalid command \▒v"H▒▒F>%▒▒j▒ة▒▒J▒0▒r▒3▒^▒▒▒5▒˨O▒▒m▒▒▒▒▒▒]▒▒▒▒7qb▒
invalid command \▒H▒f▒K52▒e▒▒▒▒▒k=▒▒0v▒▒<▒s▒F▒▒▒▒▒▒$i▒▒x▒
invalid command \▒-▒▒▒ػG2▒Ѻ▒▒▒▒▒▒▒
invalid command \▒5▒▒Z▒▒▒▒▒@▒6@▒jpe▒▒hvr▒▒dRٓ▒v▒m&▒▒Fmx▒np▒P*▒Y▒▒▒Xr▒▒▒l▒
invalid command \▒)K▒S3T▒)>j▒F▒JC>C▒]▒w▒▒VM!▒XڐebɀO▒`R▒
invalid command \▒▒▒z▒Ɛ▒#B▒k▒܉*
invalid command \▒$m:▒Q[▒㫂HAI▒Fb
invalid command \▒▒▒▒▒▒
invalid command \u▒▒u▒]▒g▒▒▒'▒▒@▒
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invalid command \▒▒c
invalid command \{▒aF:|"▒s▒▒▒<▒{
invalid command \/C▒RU▒`▒r▒▒▒T^▒uj▒(▒50▒?▒▒t?L▒Hd▒S&a<▒KAo*ްW}}2.:▒l▒▒gMO▒]▒▒6▒Jcƒ▒C▒
invalid command \.h+O▒▒r鐑▒▒ܢ▒▒#▒mEr$▒▒▒▒▒ԑ▒+T▒▒.+dd▒.)▒0▒▒▒B▒
                                                              ▒▒▒SMvO▒▒ԋ▒5▒;▒5xSb4▒▒▒m▒▒▒▒kVa׼▒Mr▒<▒ݑ4▒[j▒O▒w▒▒▒▒▒D▒▒y▒^▒
invalid command \Mr▒g▒▒#
invalid command \▒▒/▒U̻sS▒-Qw▒▒▒▒▒▒h▒▒▒NE˾"Y>O▒;▒▒▒u▒C{▒%▒:▒▒▒d▒▒ś▒'n▒▒F▒N▒`&jG▒%n▒`▒A▒=]:i▒▒#G▒1X2▒˦▒O▒▒▒▒_▒▒▒▒Q▒.▒
invalid command \▒&(]H▒▒z▒▒ȋ+:▒▒]
invalid command \▒^w▒▒▒zk▒p%▒▒ؗ▒▒▒▒#<V▒▒▒▒Ql▒"▒▒▒▒7▒ܪ▒;▒w$▒Π%▒▒8)^L▒<g▒[r▒
invalid command \▒▒[▒L▒▒}b"%*3@c9▒T▒n▒▒▒WՂ`w▒t▒'▒▒Ĕ▒kaz-noŧq▒▒'k▒9▒1▒▒4▒▒_▒e▒▒▒▒$▒y]mV▒▒@▒'▒Lj
                                                                                              Y▒Y▒)-TW▒Ǒ_▒|ڪ▒▒▒nZ]%C(▒▒}?▒▒▒?▒▒@Q%▒,▒l▒▒▒U▒X▒s▒▒▒▒$ݏ[▒&jh૿d3▒g▒£4*▒4▒Y▒▒▒▒a▒▒▒▒ut▒▒-▒NW▒▒ԫHX'6Y$6▒
invalid command \d▒i+▒m"▒▒▒Q7▒▒▒&u▒▒▒▒Ea&▒@@ZP▒▒▒▒▒
invalid command \▒>
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