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Plastics cup stack advancing mechanism - has advancing members travelling above guides compressing stacks into closer formation?keyword=Plastics cup stack advancing mechanism - has advancing members travelling above guides compressing stacks into closer formation?keyword=Plastics cup stack advancing mechanism - has advancing members travelling above guides compressing stacks into closer formation?keyword=Plastics cup stack advancing mechanism - has advancing members travelling above guides compressing stacks into closer formation 专利,更快更准确