4. C - Chemistry, Metallurgy
  5. 11
  6. D

Elfed H. Evans

C - Chemistry – Metallurgy – 11 – D

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Manufacture of detergent bars

C - Chemistry – Metallurgy – 11 – D
Patent

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Soap powders and a process for their manufacture

C - Chemistry – Metallurgy – 11 – D
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Soap tablet production

C - Chemistry – Metallurgy – 11 – D
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Profile ID: LFCA-PAI-P-390362

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