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公开(公告)号:US20190193142A1
公开(公告)日:2019-06-27
申请号:US16325384
申请日:2017-08-15
摘要: A process of recovering clean sand and active clay from sand or dust from a foundry is disclosed.
公开(公告)号:US20190193142A1
公开(公告)日:2019-06-27
申请号:US16325384
申请日:2017-08-15
摘要: A process of recovering clean sand and active clay from sand or dust from a foundry is disclosed.