3490LT050/15-qp0.500-0.550 - NF 41008 for gas
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3490LT055/15-qp0.550-0.600 - NF 41008 for gas
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3491FC050/15-qp0.500-0.550 - DIN 12804 for gas
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3491FC055/15-qp0.550-0.600 - DIN 12804 for gas
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3491FC060/15-qp0.600-0.650 - DIN 12804 for gas
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3492FC050/15-qp0.500-0.580 - ISO 3993 for gas
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3492FC057/15-qp0.570-0.650 - ISO 3993 for gas
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