World in Action
Nuts & Bolts of the Economy: Patent No.18070/72 (12x27)
Data di messa in onda: Mag 03, 1976
A new invention for containers is followed on its obstacle course from drawing to finished product,showing the difficulties that inventors have in trying to get their ideas off the ground.
- Iniziato: Gen 1963
- Episodi: 1265
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