Valva Papilionis
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Valvae Papilionum Dupliciter Eccentricae
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Valva Papilionis Cryogenica
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Valva Papilionis Altae Efficientiae
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Valvula papilionis actuatoria pneumatica
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Valva Papilionis Tripliciter Excentrica
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Valva Papilionis API 609
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Valva Papilionis Flange
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Valvula papilionis CD4MCU in lamella cylindrica
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Valva Papilionis Trabeculata
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Valva Papilionis Chalybis Inoxidabilis
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Valva Papilionis Wafer
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Valva Papilionis Soldata
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Valva Papilionis Sedis Gummi
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Valvula papilionis flange plene obducta PTFE