<?php
	$html = file_get_contents('http://m...content-available-to-author-only...x.ru/model-spec.xml?modelid=6175532&hid=91491');
	$dom = new DomDocument();
	libxml_use_internal_errors(true);
	$dom->loadHTML($html);

	$xpath = new DomXPath($dom);

	$_res = $xpath->query("html/body/div[2]/table/tbody/tr/td[2]/table");
	
	foreach($_res as $obj) {
		var_dump($obj);
        echo 'class: '.$obj->getAttribute('class');
		echo $obj->nodeValue;
    }