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公开(公告)号:US1473104A
公开(公告)日:1923-11-06
申请号:US62542023
申请日:1923-03-15
Applicant: ISIDOR GOLDBERG
Inventor: JURGENSEN AUGUST P
IPC: A01J11/12
CPC classification number: A01J11/12
公开(公告)号:US1473104A
公开(公告)日:1923-11-06
申请号:US62542023
申请日:1923-03-15
Applicant: ISIDOR GOLDBERG
Inventor: JURGENSEN AUGUST P
IPC: A01J11/12
CPC classification number: A01J11/12