4. C - Chemistry, Metallurgy
  5. 01
  6. B

Roland Schaffer

C - Chemistry – Metallurgy – 01 – B

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Inventor

Country: Germany

Containers for granular or pulverulent material

B - Operations – Transporting – 65 – D
Patent

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Filling containers with granular or pulverulent material

B - Operations – Transporting – 65 – B
Patent

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Pyrogenically prepared silicon dioxide compacted to give crusts

C - Chemistry – Metallurgy – 01 – B
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Profile ID: LFCA-PAI-P-1793254

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