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公开(公告)号:US1545917A
公开(公告)日:1925-07-14
申请号:US58621222
申请日:1922-09-05
Applicant: MEYERHOFF HENRY J
Inventor: MEYERHOFF HENRY J
IPC: A01B37/00
CPC classification number: A01B37/00
公开(公告)号:US1545917A
公开(公告)日:1925-07-14
申请号:US58621222
申请日:1922-09-05
Applicant: MEYERHOFF HENRY J
Inventor: MEYERHOFF HENRY J
IPC: A01B37/00
CPC classification number: A01B37/00