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公开(公告)号:US1069722A
公开(公告)日:1913-08-12
申请号:US1912680878
申请日:1912-03-01
Applicant: NEY MFG COMPANY
Inventor: PFOUTS LEROY S
CPC classification number: B66C21/00
公开(公告)号:US1069722A
公开(公告)日:1913-08-12
申请号:US1912680878
申请日:1912-03-01
Applicant: NEY MFG COMPANY
Inventor: PFOUTS LEROY S
CPC classification number: B66C21/00