pdf A837.002 i1 Apr 1936 General Description 640-line and 1440-line no. 12 Switchboard Popular
By Remco E 1322 downloads
A837.002-i1-apr-1936-general-description-640-line-1440-line-no.12-switchboard.pdf
Contributed by: Remco Enthoven
From the collection of the JKL Museum of Telephony
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