65Manganese Steel Compression Spring 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.5mm Wire Dia Y Type

65Manganese Steel Compression Spring 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.5mm Wire Dia Y Type

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