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
Y41 Bottom entry exter-rotating with plastic surface
φ60 pressed back entry 301
Sφ70 transformer gauge
φ53 pressed back entry
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