<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record model='ir.ui.view' id='product_template_form_inherit_view'>
            <field name='name'>product.tem.form.inherit.view</field>
            <field name='model'>product.template</field>
            <field name="mode">primary</field>
            <field eval="5" name="priority"/>
            <field name='inherit_id' ref="product.product_template_only_form_view"/>
            <field name='arch' type='xml'>
                <group name="group_lots_and_weight" position="inside">
                    <field name="numctrl_progress" string="Num. Ctrl. Progress" readonly="1" />
                </group>
        	</field>
        </record>
    </data>
</openerp>

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record model='ir.ui.view' id='product_template_form_inherit_view'>
            <field name='name'>product.tem.form.inherit.view</field>
            <field name='model'>product.template</field>
            <field name="mode">primary</field>
            <field eval="5" name="priority"/>
            <field name='inherit_id' ref="product.product_template_only_form_view"/>
            <field name='arch' type='xml'>
                <group name="group_lots_and_weight" position="inside">
                    <field name="numctrl_progress" string="Num. Ctrl. Progress" readonly="1" />
                </group>
        	</field>
        </record>

        <record model='ir.ui.view' id='product_product_form_inherit_view'>
            <field name='name'>product.product.form.inherit.view</field>
            <field name='model'>product.product</field>
            <field name='inherit_id' ref="product.product_variant_easy_edit_view"/>
            <field name='arch' type='xml'>
                <field name="default_code" position="after">
                    <field name="numctrl_progress" string="Num. Ctrl. Progress" readonly="1" />
                </field>
            </field>
        </record>
    </data>
</openerp>

Add new field in class product_product, add field in view
[FIX] Add new field in class product_product, add field in view
