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公开(公告)号:US1335546A
公开(公告)日:1920-03-30
申请号:US3600615
申请日:1915-06-24
Applicant: UNION METAL MFG CO
Inventor: BARDON CLAUD J
IPC: B60B39/12
CPC classification number: B60B39/12
公开(公告)号:US1335546A
公开(公告)日:1920-03-30
申请号:US3600615
申请日:1915-06-24
Applicant: UNION METAL MFG CO
Inventor: BARDON CLAUD J
IPC: B60B39/12
CPC classification number: B60B39/12