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Chinese machine Parts
Tension base,thread stand
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(big)stainless steel tension spring,conical spring,tower spring,5*20.5
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Code:
#
MG1030
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Price:
US$
0.05
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tension spring ,conical spring,tower spring,
there have 2 models for this spring:
small tension spring: 0.45*17
big tension spring: 0.5*20.5
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