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This category has the following 3 subcategories, out of 3 total.
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205:Technology companies established in 1938
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252:1930s in technology
247:Technology by year
222:1938 in transport
181:1938 in computing
26:Technology portal
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241:Categories
226:(9 C, 1 P)
209:(1 C, 1 P)
185:(1 C)
150:1980s
145:1970s
140:1960s
135:1950s
130:1940s
124:1930s
118:1920s
113:1910s
108:1900s
103:1890s
98:1880s
257:1938
87:1943
82:1942
77:1941
72:1940
67:1939
62:1938
57:1937
52:1936
47:1935
42:1934
37:1933
243::
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183:
194:T
170:C
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