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公开(公告)号：US2399665A
公开(公告)日：1946-05-07
申请号：US47356443
申请日：1943-01-25
Applicant: DEARDORFF CLARENCE E
Inventor： DEARDORFF CLARENCE E
IPC: A01J11/12
CPC classification number: A01J11/12 , Y10S215/08
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