$form->{"unit_$i"}, conv_date($form->{deliverydate}),
conv_i($form->{"project_id_$i"}), $form->{"serialnumber_$i"},
conv_i($form->{"price_factor_id_$i"}), conv_i($form->{"price_factor_id_$i"}), conv_i($form->{"marge_price_factor_$i"}),
$form->{"unit_$i"}, conv_date($form->{deliverydate}),
conv_i($form->{"project_id_$i"}), $form->{"serialnumber_$i"},
conv_i($form->{"price_factor_id_$i"}), conv_i($form->{"price_factor_id_$i"}), conv_i($form->{"marge_price_factor_$i"}),