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1904 inventions
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1904 renewal
1904 reconstruction
1904 conversions
1904 restorations
1904 renovations
1904 repairing
1904 work's replicas
1904 productions
1904 reproductions
1904 models
1904 reissue models
1904 model changed
1904 released
1904 introductions
1904 re-introductions
1904 copyrighted
1904 developments
1904 discontinuations
1904 patents
1904 inventions
1904 works
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Inventions of the 1900s
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1901
1902
1903
1904
1906
1907
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Subcategories
This category has the following 3 subcategories, out of 3 total.
F
Fleming valves
(8 F)
U
US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments (1904 filed, 1911 published) by Edwin Welte, Karl Bockisch
(4 F)
W
Welte-Mignon
(8 C, 29 F)
Categories
:
1904 events
Inventions of the 1900s
Inventions by year
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