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DIN 18316
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Road construction - Surfacings with hydraulic binders
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DIN 18301
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Drilling works
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DIN 4000-141
Tabular layouts of properties - Part 141: Hobs with bore or shank for cylindrical gears
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