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公开(公告)号:US1684047A
公开(公告)日:1928-09-11
申请号:US21020727
申请日:1927-08-02
Applicant: STOVEN DETLEF W
Inventor: STOVEN DETLEF W
IPC: A01J1/00
CPC classification number: A01J1/00
公开(公告)号:US1684047A
公开(公告)日:1928-09-11
申请号:US21020727
申请日:1927-08-02
Applicant: STOVEN DETLEF W
Inventor: STOVEN DETLEF W
IPC: A01J1/00
CPC classification number: A01J1/00