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ORIGINAL PATENT APPLICATION NUMBER 6,485 FOR IMPROVEMENTS IN OR RELATING TO TELEPHONE SYSTEMS (STOCKHOLM).

Name: ORIGINAL PATENT APPLICATION NUMBER 6,485 FOR IMPROVEMENTS IN OR RELATING TO TELEPHONE SYSTEMS (STOCKHOLM).
Author: Henrik Thore. Cedergren
ISBN: 978B001DXSMV1

AuthorHenrik Thore. Cedergren

PublisherHMSO

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Book Details

Author(s)Henrik Thore. Cedergren

PublisherHMSO

ISBN / ASINB001DXSMVC

ISBN-13978B001DXSMV1

Sales Rank99,999,999

MarketplaceUnited States 🇺🇸