产品描述TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF CIRCULAR CROSS-SECTION, OF ALLOY STEEL OTHER THAN STAINLESS, OF AN EXTERNAL DIAMETER OF <= 168,3 MM (EXCL. COLD-DRAWN OR COLD-ROLLED, LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES, CASING AND TUBING OF A KIND USED FOR DRILLING FOR OIL OR GAS, AND PRODUCTS OF SUBHEADING 7304 59 30)[展开]
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