20:
221:
204:
268:
149:
144:
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129:
123:
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107:
102:
97:
263:
86:
81:
76:
71:
66:
56:
51:
46:
41:
36:
238:
180:
25:
273:
257:
208:
242:
184:
225:
19:
15:
164:
This category has the following 4 subcategories, out of 4 total.
31:
8:
222:Technology companies disestablished in 1952
205:Technology companies established in 1952
7:
235:
218:
201:
177:
166:
158:
14:
18:
1:
290:
269:1950s in technology
264:Technology by year
239:1952 in transport
181:1952 in computing
26:Technology portal
281:
244:
237:
227:
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186:
179:
28:
23:
22:
289:
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254:
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200:
191:
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187:
176:
157:
156:
155:
154:
92:
91:
24:
17:
12:
11:
5:
287:
285:
277:
276:
271:
266:
256:
255:
248:
247:
233:
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127:
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94:
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64:
59:
54:
49:
44:
39:
33:
32:
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29:
13:
10:
9:
6:
4:
3:
2:
286:
275:
272:
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223:
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206:
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197:
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173:
172:
169:
165:
161:Subcategories
160:
151:
148:
146:
143:
141:
138:
136:
133:
131:
128:
126:
125:
121:
119:
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34:
27:
21:
16:
163:
122:
61:
243:(11 C, 1 P)
209:(4 C, 12 P)
258:Categories
185:(5 C, 2 P)
226:(1 C)
150:2000s
145:1990s
140:1980s
135:1970s
130:1960s
124:1950s
118:1940s
113:1930s
108:1920s
103:1910s
98:1900s
274:1952
87:1957
82:1956
77:1955
72:1954
67:1953
62:1952
57:1951
52:1950
47:1949
42:1948
37:1947
260::
241:
224:
207:
183:
194:T
170:C
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