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Heat treatment process, bend L, under the following con […]
Heat treatment process, bend L, under the following conditions, must carry on the steel pipe of cold or hot bending heat treatment specified in table 4. Heat treatment process, bend L, under the following conditions, must carry on the steel pipe of cold or hot bending heat treatment specified in table 4. Heat treatment process, bend L, under the following conditions, must carry on the steel pipe of cold or hot bending heat treatment specified in table 4.
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