Promoting trade even better: PTB at the “WTO Aid for Trade Global Review”
25.06.2019One of the key goals of PTB's International Cooperation Department is to strengthen trade in
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Be sure to test your cement before committing to it (practically) forever! | Training course for the staff of cement testing laboratories in Berlin
14.06.2019Precisely 1,350 grams of sand, 450 grams of cement and 225 grams of water are