Difference between revisions of "Patent of Mary Hallock-Greenewalts colour organ (Q31164)"
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(Created claim: Publication date (P40): 15 October 1929) | (Removed claim: Canon source Id (P369): 1040, #quickstatements; #temporary_batch_1743590302320) | ||
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Latest revision as of 10:42, 2 April 2025
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent of Mary Hallock-Greenewalts colour organ | No description defined |
Statements
15 October 1929Gregorian
0 references