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Internal-external upset drill pipes with couplings. Specifications
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Beekeeping products. Method for determination of ash mass fraction
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Cross-recessed countersunk (flat) head tapping screws
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Fire protection means for buildings and structures. Fire curtains. Design, installation, maintenance and repair guide. Performance test methods
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Cotton seed. Methods for determination of residual disinfectant content size uniformity and granary pest infestation
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