File:1913-62b.jpeg
Revision as of 01:17, 11 February 2024 by LTA (talk | contribs) (== Summary == RU 62b patents granted in 1913, possibly the first year this category was in use. Golubev, 1924, index of patents issued during the period 1909–1917, patents granted in 1913 by class, p. 67); continues by File:1913-62a.jpeg.)
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Summary
RU 62b patents granted in 1913, possibly the first year this category was in use. Golubev, 1924, index of patents issued during the period 1909–1917, patents granted in 1913 by class, p. 67); continues by .
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current | 01:17, 11 February 2024 | 618 × 930 (84 KB) | LTA (talk | contribs) | == Summary == RU 62b patents granted in 1913, possibly the first year this category was in use. Golubev, 1924, index of patents issued during the period 1909–1917, patents granted in 1913 by class, p. 67); continues by File:1913-62a.jpeg. |
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