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Book Description Hardcover. Condition: New. ç 解(çº ç å å ½ç æµ å å ç æ )(ç ¾) Brand new item sourced directly from publisher. Packed securely in tight packaging to ensure no damage. Shipped from warehouse on same/next day basis. Seller Inventory # 1111-9787203118398
Book Description Hardcover. Condition: New. HardCover. Pub Date: 2022-08-01 Pages: 352 Language: Chinese Publisher: Shanxi People's Publishing House In the early 1920s. German naval codebreaker Wilhelm Tranow decided to purchase the newly invented En Nygma cipher machine. He could not have imagined that. 70 years later. the world would be interested in cryptography and code-breaking during World War II. This book attempts to present the background story. operational details and core figures involved in Germany's signal intelligence wor. Seller Inventory # NY029398