Cast Manganese steel monobloc frog with four flash butt welded or bolted legs Higher mechanical properties and gurantee Supplying according to UIC866_O Running surface can be pre_hardened by explosion for heavy traffic Download...
Cast Manganese steel monobloc frog with four flash butt welded or bolted legs Higher mechanical properties and gurantee Supplying according to UIC866_O Running surface can be pre_hardened by explosion for heavy traffic Download...
Cast Manganese steel monobloc frog with four flash butt welded or bolted legs Higher mechanical properties and gurantee Supplying according to UIC866_O Running surface can be pre_hardened by explosion for heavy traffic Download...