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From Wikipedia, the free encyclopedia
15th
16th
17th
18th
19th
20th
21st
22nd
23rd
24th
25th
Subcategories
This category has the following 10 subcategories, out of 10 total.
M
Mobile phones introduced in the 20th century
(15 C)
T
Telecommunications-related introductions in the 1900s
(4 C)
Telecommunications-related introductions in the 1920s
(5 C)
Telecommunications-related introductions in the 1930s
(3 C, 2 P)
Telecommunications-related introductions in the 1940s
(6 C, 1 P)
Telecommunications-related introductions in the 1950s
(7 C, 1 P)
Telecommunications-related introductions in the 1960s
(5 C, 2 P)
Telecommunications-related introductions in the 1970s
(8 C)
Telecommunications-related introductions in the 1980s
(10 C)
Telecommunications-related introductions in the 1990s
(10 C, 1 P)
Categories
:
History of telecommunications
20th-century introductions
Help
From Wikipedia, the free encyclopedia
15th
16th
17th
18th
19th
20th
21st
22nd
23rd
24th
25th
Subcategories
This category has the following 10 subcategories, out of 10 total.
M
Mobile phones introduced in the 20th century
(15 C)
T
Telecommunications-related introductions in the 1900s
(4 C)
Telecommunications-related introductions in the 1920s
(5 C)
Telecommunications-related introductions in the 1930s
(3 C, 2 P)
Telecommunications-related introductions in the 1940s
(6 C, 1 P)
Telecommunications-related introductions in the 1950s
(7 C, 1 P)
Telecommunications-related introductions in the 1960s
(5 C, 2 P)
Telecommunications-related introductions in the 1970s
(8 C)
Telecommunications-related introductions in the 1980s
(10 C)
Telecommunications-related introductions in the 1990s
(10 C, 1 P)
Categories
:
History of telecommunications
20th-century introductions
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