Difference between revisions of "Patent for Perfectionnement aux auto-transformateurs, Clemancon, 1938 (Q31817)"
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(Created claim: Field (P19): lighting and projection (Q7)) |
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Revision as of 08:42, 27 July 2023
No description defined
| Language | Label | Description | Also known as |
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| English |
Patent for Perfectionnement aux auto-transformateurs, Clemancon, 1938
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No description defined
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