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公开(公告)号：US1365963A
公开(公告)日：1921-01-18
申请号：US25381518
申请日：1918-09-12
Applicant: ROY BROWN CHISHOLM , HENRY HINDS HERBERT
Inventor： ROY BROWN CHISHOLM , HENRY HINDS HERBERT
IPC: A01J15/04
CPC classification number: A01J15/04
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