Difference between revisions of "Patent of Mary Hallock-Greenewalts colour organ (Q31164)"
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(Created claim: mentions (P78): Sarabet color organ (Q31165)) | (Created claim: Canon image id (P74): US1731772.pdf) | ||
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Revision as of 20:47, 29 April 2023
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| Language | Label | Description | Also known as |
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| English | Patent of Mary Hallock-Greenewalts colour organ | No description defined |
