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公开(公告)号:US1507814A
公开(公告)日:1924-09-09
申请号:US52495021
申请日:1921-12-27
Applicant: ELGIN AUTO TOOL COMPANY
Inventor: COOLEY EDWARD C
IPC: A01J11/12
CPC classification number: A01J11/12
公开(公告)号:US1507814A
公开(公告)日:1924-09-09
申请号:US52495021
申请日:1921-12-27
Applicant: ELGIN AUTO TOOL COMPANY
Inventor: COOLEY EDWARD C
IPC: A01J11/12
CPC classification number: A01J11/12