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公开(公告)号：US2081432A
公开(公告)日：1937-05-25
申请号：US9450036
申请日：1936-08-06
Applicant: LAVAL COMPANY LTD DE
Inventor： HOWARD HAPGOOD CYRUS
IPC: A23C3/033
CPC classification number: A23C3/033 , Y10S159/40
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公开(公告)号：US2052398A
公开(公告)日：1936-08-25
申请号：US3789635
申请日：1935-08-26
Applicant: LAVAL COMPANY LTD DE
Inventor： HOWARD HAPGOOD CYRUS
IPC: A01J15/04
CPC classification number: A01J15/04 , Y10T74/19023
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