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Please note: all operations regarding the Threema mobile messenger have been transferred to Threema GmbH. Please contact Threema GmbH for all inquiries about Threema.
Kasper Systems GmbH
Albisriederstrasse 243c
8047 Z├╝rich
Switzerland

tel +41 44 500 4446
fax +41 44 500 4447
e-mail info@kaspersystems.ch
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