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公开(公告)号:US1118532A
公开(公告)日:1914-11-24
申请号:US1913772863
申请日:1913-06-10
Applicant: L J CONN , CRANDALL MAX E
Inventor: CRANDALL MAX E
CPC classification number: B25B13/505
公开(公告)号:US1118532A
公开(公告)日:1914-11-24
申请号:US1913772863
申请日:1913-06-10
Applicant: L J CONN , CRANDALL MAX E
Inventor: CRANDALL MAX E
CPC classification number: B25B13/505