Fa.                                                                             Uhren+Optik Sievers GmbH                                       Norderstrasse 4                                                         25813 Husum                                                            Tel: 04841-2085/86                                                   Fax:04841-64886                                                      e-mail: OptikSievers@foni.net

Fa.                                                                  Uhren+Optik Sievers                                       Hauptstrasse 57                                               25899 Niebüll                                                 Tel: 04661-2133                                             Fax:04661-3062                                             e-mail: UhrenSievers@foni.net