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Spinning machine with drivable transport belts and stationary guidingbelts for slivers?keyword=Spinning machine with drivable transport belts and stationary guidingbelts for slivers?keyword=Spinning machine with drivable transport belts and stationary guidingbelts for slivers?keyword=Spinning machine with drivable transport belts and stationary guidingbelts for slivers 专利,更快更准确