Hangzhou Shunhao Metalwork Co., Ltd.
i15,i20—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
φ75 C-rolled type with zero set
Y103 Back entry eccentric belt sider
Brass Assembling movement of Precision Pressure Gauge
Y150 Back entry big prevent blast hole sith edge
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