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1997-10-29

주강품 주물표면의 겉모양 시험방법 및 등급 분류
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1997-10-29

Visual examination and classification of surface quality for steel castings
铸钢件表面质量的目视检验和分类

1995-01-01

Steel and iron castings — Visual testing of surface quality
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2020-01-13

Steel and iron castings. Visual testing of surface quality
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2020-01-23

砂型铸钢件 表面质量目视检测方法
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2020-11-19

FOUNDING. VISUAL EXAMINATION OF SURFACE DISCONTINUITIES. STEELS AND CASTINGS.
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1999-01-25

Founding - Visual examination of surface discontinuities - Steel sand castings
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1998-07-01

Standard Practice for Steel Castings, Surface Acceptance Standards, Visual Examination
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2019-09-01

Steels, nickel alloys and cobalt alloys investment castings — Visual testing of surface quality
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2020-03-15

Steels, nickel alloys and cobalt alloys investment castings. Visual testing of surface quality
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2020-03-27

Quality Standard for Steel Castings for Valves, Flanges and Fittings and Other Piping Components - Visual Method for Evaluation of Surface Irregularities
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2011-10-01