product_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
	<data>

		<record model="ir.ui.view" id="view_product_form_expiry">
			<field name="name">product.normal.form</field>
			<field name="model">product.product</field>
			<field name="inherit_id" ref="product.product_normal_form_view" />
			<field name="type">form</field>
			<field name="arch" type="xml">
				<page string="Descriptions" position="before">
					<page string="Indexes">
						<field name="buyer_price"/>
						<field name="index_date" required="1"/>
						<field name="list_price_index"/>
						<field name="standard_price_index"/>
						<field name="buyer_price_index"/>
						<newline/>
						<separator string="Sale indexes" colspan="2"/>
						<separator string="Purchase indexes" colspan="2"/>
						<field name="index_sale" colspan="2" nolabel="1"/>
						<field name="index_purchase" colspan="2" nolabel="1"/>
					</page>
				</page>
			</field>
		</record>

</data>
</openerp>