sales_quotation => 'OrderItem',
request_quotation => 'OrderItem',
invoice => 'InvoiceItem',
sales_quotation => 'OrderItem',
request_quotation => 'OrderItem',
invoice => 'InvoiceItem',
purchase_invoice => 'InvoiceItem',
purchase_delivery_order => 'DeliveryOrderItem',
sales_delivery_order => 'DeliveryOrderItem',
purchase_invoice => 'InvoiceItem',
purchase_delivery_order => 'DeliveryOrderItem',
sales_delivery_order => 'DeliveryOrderItem',