1, 1/2", 22 mm, 16.6 mm, 2.7 mm, 4M, 753 ... 4, 11/4", 38 mm, 31.8 mm, 3.1 mm ... 1. CLEAN VALVE. UPVC CLEAN PIPE 專用之球塞閥,接頭為螺紋式接頭或法蘭式 ...
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