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公开(公告)号:US815663A
公开(公告)日:1906-03-20
申请号:US1905276021
申请日:1905-08-28
Applicant: WALKER JOSEPH , FREDERICK BRAINARD M
Inventor: WALKER JOSEPH , FREDERICK BRAINARD M
CPC classification number: A01M23/04
公开(公告)号:US815663A
公开(公告)日:1906-03-20
申请号:US1905276021
申请日:1905-08-28
Applicant: WALKER JOSEPH , FREDERICK BRAINARD M
Inventor: WALKER JOSEPH , FREDERICK BRAINARD M
CPC classification number: A01M23/04