[国外标准] DIN 471-1981 轴挡圈 标准型和重型

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[国外标准] DIN 344-1981 直柄扩孔钻标准

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[国外标准] DIN 2091-1981 圆截面扭杆弹簧

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[国外标准] DIN 202-1981 Transcutaneous measurement of arterialized capillary blood Pco, by a new mass spectrome

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[国外标准] DIN 1705-1981 铜锡和铜锡锌浇铸合金

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[国外标准] DIN 1694-1981 奥氏体铸铁

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[国外标准] DIN 7-1981 Paralle Pins

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[国外标准] DIN 1-1981 未淬火的锥形销

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[国外标准] NFPA 1981-2007 Standard on Open-Circuit

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[国外标准] SAE J949-1981 TEST METHOD FOR DETERMINING STIFFNESS (MODULUS OF BENDING) OF FIBERBOARDS

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[国外标准] SAE J853-1981 VEHICLE IDENTIFICATION NUMBERS

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[国外标准] SAE J811-1981 SURFACE ROLLING AND OTHER METHODS FOR MECHANICAL PRESTRESSING OF METALS

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[国外标准] SAE J462-1981 CAST COPPER ALLOYS

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[国外标准] SAE J391-1981 DEFINITION FOR PARTICLE SIZE

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[国外标准] SAE J273-1981 PASSENGER CAR VEHICLE IDENTIFICATION NUMBER SYSTEM

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[国外标准] SAE J272-1981 VEHICLE IDENTIFICATION NUMBER SYSTEMS

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[国外标准] SAE J218-1981 PASSENGER CAR IDENTIFICATION TERMINOLOGY

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[国外标准] SAE J1367-1981 PERFORMANCE TEST PROCEDURE.BALL JOINTS AND SPHERICAL ROD ENDS

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[国外标准] SAE J1346-1981 GUIDE TO MANIFOLD ABSOLUTE PRESSURE TRANSDUCER REPRESENTATIVE TEST METHOD

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[国外标准] SAE J1332-1981 ROPE DRUM ROTATION INDICATING DEVICE

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[国外标准] SAE J1292-1981 AUTOMOBILE, TRUCK, TRUCK-TRACTOR, TRAILER, AND MOTOR COACH WIRING

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[国外标准] SAE J129-1981 ENGINE AND TRANSMISSION IDENTIFICATION NUMBERS

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[国外标准] SAE J1289-1981 MOBILE CRANE STABILITY RATINGS

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[国外标准] SAE J1252-1981 SAE WIND TUNNEL TEST PROCEDURE FOR TRUCKS AND BUSES

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[国外标准] SAE J1229-1981 TRUCK IDENTIFICATION TERMINOLOGY

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