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BS 2589:1955
Specification for railway track spanners (British Standard)
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British Standards Institution [bsi]
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British Standards Institution [bsi]
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British Standards Institution [bsi]
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British Standards Institution [bsi]
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British Standards Institution [bsi]
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ASTM International [astm]
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International Organization for Standardization [iso]
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Standards Australia [sai]
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Standards Australia [sai]
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Standards Australia [sai]
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Standards Australia [sai]
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American Society of Mechanical Engineers [asme]
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Japanese Industrial Standards [jis]
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American Society of Mechanical Engineers [asme]
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American Society of Mechanical Engineers [asme]
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American Society of Mechanical Engineers [asme]
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