Physikalisch-Technische Reichsanstalt (Q66778427)
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Reich Metrology Laboratory
- PTR
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Physikalisch-Technische Reichsanstalt |
Reich Metrology Laboratory |
|
Statements
Physikalisch-Technische Reichsanstalt (German)
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905 unit
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1869
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1950
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