
BS ISO 9809-4 - GAS CYLINDERS - REFILLABLE SEAMLESS STEEL GAS CYLINDERS - DESIGN, CONSTRUCTION AND TESTING - PART 4: STAINLESS STEEL CYLINDERS WITH AN R[M] VALUE OF LESS THAN 1100 MPA
出版:British Standards Institution

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BS ISO 9809-4 - GAS CYLINDERS - REFILLABLE SEAMLESS STEEL GAS CYLINDERS - DESIGN, CONSTRUCTION AND TESTING - PART 4: STAINLESS STEEL CYLINDERS WITH AN R[M] VALUE OF LESS THAN 1100 MPA
出版:British Standards Institution
专家解读视频