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Total 14 products from p20 steel hardness Manufactures & Suppliers |
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Categories:Power Pack Motor Telephone:0563-6989356 Country/Region:china ... can soft,hard releasing device.As fasten screw ,it promote release board to through steel ball,pull armature restore to the thorne through spring strength,resune to brake state,this is hard releasing... |
AnhuiHeliElectric Co., Ltd.
Anhui |