rma/crm_rma_location/views/stock_warehouse.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_warehouse_form" model="ir.ui.view">
            <field name="name">view_warehouse_form</field>
            <field name="model">stock.warehouse</field>
            <field name="inherit_id" ref="stock.view_warehouse" />
            <field name="arch" type="xml">
                <xpath expr="//field[@name='wh_output_stock_loc_id']" position="after">
                    <field name="lot_rma_id"/>
                </xpath>
                <xpath expr="//field[@name='out_type_id']" position="after">
                    <field name="rma_in_type_id"/>
                    <field name="rma_int_type_id"/>
                    <field name="rma_out_type_id"/>
                </xpath>
            </field>
        </record>
    </data>
</openerp>