 Complete the following phrase:  Prior to World War I, the Imperial Japanese Army was largely equipped with Krupp cannons from Germany. After the Versailles Treaty, the Japanese Army switched to the French Schneider company, and developed the Type 90 75 mm field gun loosely based on the Schneider et Cie Canon de 85 mle 1927. However, the Schneider design was very complex and expensive to build, requiring very tight dimensional tolerances which were beyond the limits of Japanese industry to sustain at the time. Maintece was also difficult to sustain in front line combat service. The Army Technical Bureau, following combat experience gained in the 