egregi signori,in riferimento alla

egregi signori,
in riferimento alla vostra richiesta di informazioni del 21 marzo sui nostri elettrodomestici, siamo lieti di inviarvi ,in allegato, il nostro ultimo catalogo illustrato con i dettagli tecnici che avete richiesto.

Risultati (Inglese) 1:

Ladies and Gentlemen,
in reference to your request for information of 21 March on our appliances, we are pleased to send you, attached our latest catalog illustrated with the technical details that you have requested.

Risultati (Inglese) 2:

Dear Sirs,
in reference to your request of March 21 information about our appliances, we are happy to send you, attached, our latest illustrated catalogue with the technical details that you requested.

Risultati (Inglese) 3:

Dear Sirs,
with reference to your request for information on 21 march on our appliances, we are happy to send you ,in the annex, our last illustrated catalog with technical details that you have requested.