Hangzhou Shunhao Metalwork Co., Ltd.
i13,i15—Signify the transmission ratio of movement's shaft gear which is xx.
L—Signify the length of needle pivot (which means shaft gear).
e—Signify the length of needle pivot over the splint
Y100 bayonet back flange for bottom entry
φ100*31 screw-in back entry
φ99*19 bayonet back entry with zero set
Y63 Bottom entry
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