YS_T 347-2004 Method for the determination of the average grain size of copper and copper alloys
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YB_T 5293-2014 Test method for metal materials Top forging
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SN_T 3343-2012 Determination of manganese, phosphorus, silicon, chromium, nickel, copper, molybdenum and titanium in stainless steel by inductively coupled plasma atomic emission spectrometry
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SN_T 0750-1999 Determination of aluminium, arsenic, chromium, cobalt, copper, phosphorus, manganese, molybdenum, nickel, silicon, tin, titanium and vanadium in imported and exported carbon and low-all
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SAE J429-2014Mechanical and Material Requirements for Externally Threaded Fasteners
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SAE J423-1983(R1998)Methods of measuring case depth
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SAE J419-2018Methods Of Measuring Decarburization
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NIL PT-2589-2 Determination of Si, Fe, Cu, Mg and Mn in aluminium alloys (International Comparison) - Results Report Form 1629359671423
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NIL PT-2589-2 Determination of Si, Fe, Cu, Mg and Mn in aluminium alloys (international comparison) - Guidance note 1629359667688
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NIL PT-2589-2 Determination of Si, Fe, Cu, Mg and Mn in aluminium alloys (International Comparison)-Schedule 21629359678173
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NIL PT-2589-2 Determination of Si, Fe, Cu, Mg and Mn in aluminium alloys (International Comparison)-Schedule 11629359674814
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NB_T 47013.4-2015 Non-destructive testing of pressure-bearing equipment Part 4 Magnetic particle testing
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JB_T 9151.7-1999 Test methods for fasteners Dimensional and geometrical accuracy Retaining rings
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JB_T 9151.6 - 1999 Test methods for fasteners Dimensional and geometrical accuracy Rivets
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JB_T 9151.5 - 1999 Test methods for fasteners Dimensional and geometrical accuracy Pin
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JB_T 9151.4 - 1999 Test methods for fasteners Dimensional and geometrical accuracy Washers
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JB_T 9151.3 - 1999 Test methods for fasteners Dimensional and geometrical accuracy Self-tapping screws
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JB_T 9151.2-1999 Test methods for fasteners Dimensional and geometrical accuracy Wood screws
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JB_T 9151.1-1999 Test methods for fasteners Dimensional and geometrical accuracy Bolts, screws, studs and nuts
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JB_T 5074-2007 Grading of low and medium carbon steel spheroidal bodies
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