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公开(公告)号:US1825461A
公开(公告)日:1931-09-29
申请号:US43319730
申请日:1930-03-05
Applicant: ANDREAS LANG
Inventor: ANDREAS LANG
IPC: B66B13/24
CPC classification number: B66B13/245
公开(公告)号:US1825461A
公开(公告)日:1931-09-29
申请号:US43319730
申请日:1930-03-05
Applicant: ANDREAS LANG
Inventor: ANDREAS LANG
IPC: B66B13/24
CPC classification number: B66B13/245