ORIGINAL PATENT APPLICATION NUMBER 320,905 FOR IMPROVEMENTS IN OR RELATING TO AUTOMATIC OF SEMI-AUTOMATIC TELEPHONE SYSTEMS., (LONDON).

Name: ORIGINAL PATENT APPLICATION NUMBER 320,905 FOR IMPROVEMENTS IN OR RELATING TO AUTOMATIC OF SEMI-AUTOMATIC TELEPHONE SYSTEMS., (LONDON).
Author: Esmond Philip goodwin Wright, John Henry Elvidge Baker., and Christopher Merrill Colebrook. Standard Telephones and Cables Ltd.
ISBN: 978B003TI4VZ7

Author Esmond Philip goodwin Wright, John Henry Elvidge Baker., and Christopher Merrill Colebrook. Standard Telephones and Cables Ltd.

Publisher HMSO

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Book Details

Author(s) Esmond Philip goodwin Wright, John Henry Elvidge Baker., and Christopher Merrill Colebrook. Standard Telephones and Cables Ltd.

Publisher HMSO

ISBN / ASIN B003TI4VZA

ISBN-13 978B003TI4VZ7

Sales Rank #99,999,999

Marketplace United States 🇺🇸

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