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公开(公告)号:US813592A
公开(公告)日:1906-02-27
申请号:US1905257239
申请日:1905-04-24
Applicant: SCHOU CHRISTIAN WILHELM
Inventor: SCHOU CHRISTIAN WILHELM
CPC classification number: B28B7/28
公开(公告)号:US813592A
公开(公告)日:1906-02-27
申请号:US1905257239
申请日:1905-04-24
Applicant: SCHOU CHRISTIAN WILHELM
Inventor: SCHOU CHRISTIAN WILHELM
CPC classification number: B28B7/28