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公开(公告)号：US1427949A
公开(公告)日：1922-09-05
申请号：US43181920
申请日：1920-12-20
Applicant: GODFREY CONVEYOR COMPANY
Inventor： GODFREY JOHN F
IPC: B66C13/00
CPC classification number: B66C13/00 , B66C2700/017
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公开(公告)号：US1429280A
公开(公告)日：1922-09-19
申请号：US38458320
申请日：1920-05-27
Applicant: GODFREY CONVEYOR COMPANY
Inventor： GODFREY JOHN F
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