During World War Two, Britain got 90% of their suppies of natural rubber from Japan, due to this, rubber became scarce. Old rubber was collected from old tyres and worn hose-pipes, and the organic chemical industry was trying to develop and manufacture synthtic rubbers of different types from common raw material such as coal and oils.

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TOP23761522

Source:

達志影像

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RM

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須由TPG 完整授權

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