型号
直径
AT474-21
1-5/8"
(41.28 mm)
AT474-21X
1-21/32"
(42.07 mm)
AT474-22
1-11/16"
(42.86 mm)
AT474-22X
1-23/32"
(43.66 mm)
AT474-23
1-3/4"
(44.45 mm)
AT474-23X
1-25/32"
(45.24 mm)
AT474-24
1-13/16"
(46.04 mm)
AT474-24X
1-27/32"
(46.83 mm)
AT474-25
1-7/8"
(47.63 mm)
AT474-25X
1-29/32"
(48.42 mm)
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