產(chǎn)品尺寸:600x30mm高分子復(fù)合井蓋
產(chǎn)品名稱: SMC樹脂井蓋
EN124荷載標(biāo)準(zhǔn): B125
蓋子尺寸: ¢600X30mm
凈開口: ¢550mm
外框: ¢710X45mm
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