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            90°電熔彎頭

            D D1 L L1
            20 30 51 31
            25 37 60 31
            32 47 61 41
            40 57 67 41
            50 67 79 50
            63 84 96 58
            90 116 120 70
            110 140 137 75
            160 210 181 98
            200 249 225 112

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