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238:
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25:
273:
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208:
184:
225:
19:
15:
164:
This category has the following 4 subcategories, out of 4 total.
31:
8:
222:Technology companies disestablished in 1939
205:Technology companies established in 1939
7:
235:
218:
201:
177:
166:
158:
14:
18:
1:
290:
269:1930s in technology
264:Technology by year
239:1939 in transport
181:1939 in computing
26:Technology portal
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161:Subcategories
160:
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27:
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61:
258:Categories
243:(9 C, 2 P)
209:(2 C, 4 P)
226:(1 C)
185:(2 C)
150:1980s
145:1970s
140:1960s
135:1950s
130:1940s
124:1930s
118:1920s
113:1910s
108:1900s
103:1890s
98:1880s
274:1939
87:1944
82:1943
77:1942
72:1941
67:1940
62:1939
57:1938
52:1937
47:1936
42:1935
37:1934
260::
241:
224:
207:
183:
194:T
170:C
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