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焊接用混合气体 氦/氩
Mixed gas for welding.Helium in argon
参考页数：18P.;A4
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焊接用混合气体 二氧化碳-氧/氩
Mixed gas for welding.Carbon dioxide, oxygen in argon
参考页数：22P.;A4
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工业燃气 丙烷/天然气混合气
Industrial fuel gas.Mixture of natural gas and propane
参考页数：9P.;A4
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增效液化石油气
Compressed petroleum gas with synergist
参考页数：6P.;A4
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增效丙烷
Propane with synergist
参考页数：9P.;A4
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焊接用混合气体 氩-二氧化碳
Mixed gas for welding Argon-Carbon dioxide
参考页数：7P.;A4
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工业燃气 切割焊接用丙烷
Industrial burning gases.Propane for cutting and welding
参考页数：11P.;A4
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工业燃气 切割焊接用丙烯
Industrial burning gases.Propylene for cutting and welding
参考页数：9P.;A4
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纯甲烷
Pure Methane
参考页数：9P.;A4
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灯泡用氩气
Argon for glow lamp
参考页数：7P.;A4
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