GB - Chinese national standards

Reciprocating internal combustion engines—Exhaust emission measurement—Part 8Engine group determination

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Reciprocating internal combustion engines—Exhaust emission measurement—Part 9: Test cycles and test procedures for test-bed measurement of exhaust gas smoke emissions from compression ignition engines operating under transient conditions

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Safety of machinery—Guards—General requirements for the design and construction of fixed and movable guards

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Raised countersunk head screws with cross recess

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Bisultap soluble concentrate

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Determination of germanium in coal

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Determination of gallium in coal

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Square set screws with chamfered end

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Method of inspection forfresh citrus fruit

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Bristles

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