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公开(公告)号:US1023884A
公开(公告)日:1912-04-23
申请号:US1911654380
申请日:1911-10-12
Applicant: E B VAN WAGNER MFG COMPANY
Inventor: SHERMAN ORRIN M
CPC classification number: B22D18/04
公开(公告)号:US1023884A
公开(公告)日:1912-04-23
申请号:US1911654380
申请日:1911-10-12
Applicant: E B VAN WAGNER MFG COMPANY
Inventor: SHERMAN ORRIN M
CPC classification number: B22D18/04