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This category has the following 3 subcategories, out of 3 total.
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198:Technology companies disestablished in 1930
181:Technology companies established in 1930
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245:1930s in technology
240:Technology by year
215:1930 in transport
26:Technology portal
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161:Subcategories
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234:Categories
219:(9 C, 5 P)
185:(3 C, 5 P)
202:(1 C)
150:1980s
145:1970s
140:1960s
135:1950s
130:1940s
124:1930s
118:1920s
113:1910s
108:1900s
103:1890s
98:1880s
250:1930
87:1935
82:1934
77:1933
72:1932
67:1931
62:1930
57:1929
52:1928
47:1927
42:1926
37:1925
236::
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170:T
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