Arguments Before the Committee on Patents of the House of Representatives Conjointly with the Senate Committee on Patents, on H. R. 19853, to Amend and Consolidate the Acts Respecting Copyright; June 6-9, 1906

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Arguments Before the Committee on Patents of the House of Representatives Conjointly with the Senate Committee on Patents, on H. R. 19853, to Amend and Consolidate the Acts Respecting Copyright; June 6-9, 1906 - Patents, United States Congress

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 Excerpt: ...manufacturers of automatic piano-playing instruments, which can not be operated without music rolls, had a very special interest in this ...

Arguments Before the Committee on Patents of the House of Representatives Conjointly with the Senate Committee on Patents, on H. R. 19853, to Amend and Consolidate the Acts Respecting Copyright; June 6-9, 1906 2012, Rarebooksclub.com, Miami FL

ISBN-13: 9781159581503

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