ORIGINAL PRINTED PATENT APPLICATION NUMBER 12,614 FOR IMPROVEMENTS IN AND RELATING TO AUTOMATIC TELEPHONE SYSTEMS. [1910]

Name: ORIGINAL PRINTED PATENT APPLICATION NUMBER 12,614 FOR IMPROVEMENTS IN AND RELATING TO AUTOMATIC TELEPHONE SYSTEMS. [1910]
Author: American Automatic Telephone company & Charles Lane Goodrum (inventors).
ISBN: 978B000O759N1

Author American Automatic Telephone company & Charles Lane Goodrum (inventors).

Publisher HMSO

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Book Details

Author(s)American Automatic Telephone company & Charles Lane Goodrum (inventors).

PublisherHMSO

ISBN / ASINB000O759NC

ISBN-13978B000O759N1

Sales Rank99,999,999

MarketplaceUnited States 🇺🇸