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Additive manufacturing of polymers — Feedstock materials — Qualification of materials for laser-based powder bed fusion of parts
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2022-04-07

NON-METALLIC MATERIALS FOR THE MANUFACTURE OF GASKETS IN THE AUTOMOTIVE INDUSTRY.
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1979-04-15

航空非金属性能检测人员的资格鉴定与认证
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2017-04-12

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2010-10-07

Specification and qualification of welding procedures for metallic materials. Welding procedure test-Fusion welding of non-alloyed and low-alloyed cast irons
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2008-06-01

Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 3: Fusion welding of non-alloyed and low-alloyed cast irons (ISO 15614-3:2008)
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