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公开(公告)号：US3482614A
公开(公告)日：1969-12-09
申请号：US3482614D
申请日：1967-03-17
Applicant: BERTRAM L JORDAN , JOHN D MITCHELL , HARRINGTON JOSEPH J , CHARLES B GRIFFIN , WILLIAM R HALL
Inventor： JORDAN BERTRAM L , MITCHELL JOHN D , HARRINGTON JOSEPH J , GRIFFIN CHARLES B , HALL WILLIAM R
IPC: A01G23/087 , B65B1/14
CPC classification number: A01G23/087
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