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BRITISH STANDARDBS EN 4098:2007Aerospace series — Steel FE-PL1507 (40CrMoV12) — Remelted, hardENed and tempered, f...
BRITISH STANDARDBS EN288-7:1995Specification and approval of welding procedures for metallic materials —Part 7: Appr...
BSI Standards PublicationAerospace series - Installation and removal requiremENts for Ring locked fitting and reduce...
BRITISH STANDARDBS EN 60747-5-1:2001Incor por ating AmENd mENts Nos.1 (to BSIEC60747-5-1:1997 r ENumber ing the B ...
BSI Standards PublicationPlastics piping systems for soil and waste discharge (low and high temperature) within the...
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BSI Standards PublicationMaterials and articles in contact with foodstuffs — PlasticsPart 3: Test methods for over...
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BS EN 50052:2016High-voltage switchgear andcontrolgear — Gas-filled castaluminium alloy ENclosuresBSI Standards Public...
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ASME BPVC 2025英文原版合集（共计21个）高清电子版166
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NBIC NB 23-2025 Part 1 — Installation.pdf140182页A234A234M-17.pdf1169页
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