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gaz combustibles | |||
gas de chauffe | |||
gaz de chauffage; gaz de combustible | |||
gaz combustible | |||
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gaz combustibles |
fuel gas : 18 phrases in 8 subjects |
Coal | 1 |
Construction | 2 |
Energy industry | 1 |
Environment | 1 |
General | 1 |
Metallurgy | 6 |
Technology | 2 |
Transport | 4 |