BEGIN:VCARD
VERSION:4.0
PRODID:-//company contact export Version 1//EN
REV:2026-05-11 14:14:31
TZ:+0000
FN:KEYSTONE 
N:;KEYSTONE
KIND:individual
TEL;TYPE=WORK,VOICE:
TEL;TYPE=HOME,VOICE:0041442001300
NOTE:Grubenstrasse 45 8045 Zurich info@keystone.ch
END:VCARD