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公开(公告)号:US1154364A
公开(公告)日:1915-09-21
申请号:US1914869813
申请日:1914-11-02
Applicant: BJUR OSCAR HJALMAR
Inventor: BJUR OSCAR HJALMAR
CPC classification number: A01D25/04
公开(公告)号:US1154364A
公开(公告)日:1915-09-21
申请号:US1914869813
申请日:1914-11-02
Applicant: BJUR OSCAR HJALMAR
Inventor: BJUR OSCAR HJALMAR
CPC classification number: A01D25/04