v1_brands.xml

<?xml version="1.0"?>
<layout version="0.1.0">

    <default>
        <reference name="head">
            <!-- CSS -->
            <action method="addItem"><type>skin_css</type><name>css/v1/brands.css</name></action>
        </reference>
    </default>

    <catalog_product_view>
        <reference name="product.info">
            <block type="brands/brands" name="brands_brands" as="product_attributes_placeholder" template="v1/brands/brands.phtml" />
        </reference>
    </catalog_product_view>


</layout>