2018년 8월 7일

Carbon and Alloy Steel Castings for Structural

Carbon and Alloy Steel Castings for Structural STEELMAX Steel Story   JIS G 5111 은 탄소 주강품 (carbon steel castings)과 저합금주강품에 대한 규정입니다. 구조용 고장력강과 내마모 […]
Carbon and Alloy Steel Castings for Structural
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