GRAIN 发表于 2025-3-28 14:36:30
The Uses of Science,nce and research capabilities improved at some firms and some new products were developed. Competition with other companies was waged in scientific terms and physicians were addressed in similarly technical language. Medical practitioners were bombarded with advertisements describing new development五行打油诗 发表于 2025-3-28 21:55:45
http://reply.papertrans.cn/63/6294/629371/629371_42.png迫击炮 发表于 2025-3-28 23:02:06
,Modern Medical Manufacturing, 1918–29,ting capital, first in expanded ranges of products and later in more efficient manufacturing techniques, some companies were able to grow to a moderately large size. Army purchases at the beginning of the Civil War and expanded markets after the war allowed enterprising firms to become sufficiently