Affection
发表于 2025-3-23 10:43:38
Pools of Invention: The Role of Patents in the Development of American Aircraft, 1917–1997 clients - nineteen of the largest aerospace firms in the United States and a curious legal and business entity known as the Manufacturers Aircraft Association, Inc. (MAA). All the aerospace firms were members of the MAA; some had been members since the MAA was founded in 1917. All ten lawyers agree
Acetabulum
发表于 2025-3-23 15:40:44
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极深
发表于 2025-3-23 21:38:27
1385-0180the same thing produce multiple technologies. For example, John H. White discovered more than l 1000 patents in the 19th century for locomotive smokestacks. Yet all technologies are processes by which humans seek to control their physical environment and bend nature to their purposes. All technolog
率直
发表于 2025-3-24 00:10:21
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Lasting
发表于 2025-3-24 04:46:47
Funktionsprüfungen der wichtigsten Muskelnen surreptitiously), this period is interesting in that companies broadly encouraged technology transfer. Wartime mobilization brought both pressures and opportunities for firms to establish cooperative links, eventually leading to the establishment of product-oriented and industry-wide cooperative structures..
MEAN
发表于 2025-3-24 09:06:32
Aerospace in Adolescence: McCook Field and the Beginnings of Modern Flight Researchindustry. Just when the first bits of wood and metal that would become the . were being fashioned into shape, another project of significance to the history of American aeronautics commenced. This was the dismantling of the experiment station of the U.S. Air Service’s Engineering Division at McCook Field, Dayton, Ohio.
预示
发表于 2025-3-24 13:59:33
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镇压
发表于 2025-3-24 16:04:36
Blutgefäße von Gehirn und Rückenmark historians may respect national borders, technologies do not. Since the Industrial Revolution, technologists have self-consciously worked within an international context, insuring that no major technology has remained confined to a single national context..
PSA-velocity
发表于 2025-3-24 19:36:48
https://doi.org/10.1007/978-3-662-06422-1” of airports which was the process of standardization of airport design. In particular, it emphasizes the interaction between and among three separate groups of professionals — engineers, architects and city planners.
供过于求
发表于 2025-3-25 00:10:31
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