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Pages in category "Telecommunications-related introductions in 1937"
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216:
Telecommunications-related introductions in the 1930s
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206:Telecommunications-related introductions by year
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150:This list may not reflect recent changes
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163:999 (emergency telephone number)
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200:Categories
187:Ten-code
134:1980s
129:1970s
124:1960s
119:1950s
114:1940s
108:1930s
102:1920s
97:1910s
92:1900s
87:1890s
82:1880s
175:KT66
71:1947
66:1946
61:1942
56:1941
51:1940
46:1937
41:1936
36:1934
31:1929
26:1927
21:1925
158:0–9
202::
152:.
182:T
170:K
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