4. H - Electricity
  5. 01
  6. H

Rudolf Graf

H - Electricity – 01 – H

Inventor

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Details

Inventor

Country: Switzerland

Dismountable glass case

A - Human Necessities – 47 – F
Patent

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Gas-blast switch

H - Electricity – 01 – H
Patent

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Roller with an elastic cover layer

D - Textiles – Paper – 21 – F
Patent

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Dismountable glass case

A - Human Necessities – 47 – F
Patent

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Profile ID: LFCA-PAI-P-1056881

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