型号
直径
AT474-56
3-13/16"
(96.84 mm)
AT474-56X
3-27/32"
(97.63 mm)
AT474-57
3-7/8"
(98.43 mm)
AT474-57X
3-29/32"
(99.22 mm)
AT474-58
3-15/16"
(100.01 mm)
AT474-58X
3-31/32"
(100.81 mm)
AT474-59
4"
(101.60 mm)
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