Physikalisch-Technische Bundesanstalt

The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks. It is a higher federal authority and a public-law institution directly under federal government control, without legal capacity, under the auspices of the Federal Ministry for Economic Affairs and Climate Action. Provided by Wikipedia
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Published 1910
Springer Berlin Heidelberg
“...Physikalisch-Technischen Reichsanstalt...”
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3
Published 1926
Springer Berlin Heidelberg
Other Authors: “...Physikalisch-Technischen Reichsanstalt...”