Parafusos de ventilação com válvula de retenção

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  PAK0459.30012Vent screw, check valve D1=G1/2 thermoplastic, Without oil dipstick, D=30
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  PAK0459.30014Vent screw, check valve D1=G1/4 thermoplastic, Without oil dipstick, D=30
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  PAK0459.30038Vent screw, check valve D1=G3/8 thermoplastic, Without oil dipstick, D=30