
ACCEPTANCE TESTS FOR CO2-LASER BEAM MACHINES FOR WELDING AND CUTTING - PART 1: GENERAL PRINCIPLES, ACCEPTANCE CONDITIONS
出版:International Organization for Standardization

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ACCEPTANCE TESTS FOR CO2-LASER BEAM MACHINES FOR WELDING AND CUTTING - PART 1: GENERAL PRINCIPLES, ACCEPTANCE CONDITIONS
出版:International Organization for Standardization
专家解读视频