protected function _getMergedAddressFields()
    {
        $sDelAddress = '';
        $sDelAddress .= $this->oxaddress__oxcompany;
        $sDelAddress .= $this->oxaddress__oxfname;
        $sDelAddress .= $this->oxaddress__oxlname;
        $sDelAddress .= $this->oxaddress__oxstreet;
        $sDelAddress .= $this->oxaddress__oxstreetnr;
        $sDelAddress .= $this->oxaddress__oxaddinfo;
        $sDelAddress .= $this->oxaddress__oxcity;
        $sDelAddress .= $this->oxaddress__oxcountryid;
        $sDelAddress .= $this->oxaddress__oxstateid;
        $sDelAddress .= $this->oxaddress__oxzip;
        $sDelAddress .= $this->oxaddress__oxfon;
        $sDelAddress .= $this->oxaddress__oxfax;
        $sDelAddress .= $this->oxaddress__oxsal;

        return $sDelAddress;
    }