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公开(公告)号：US2906258A
公开(公告)日：1959-09-29
申请号：US43340954
申请日：1954-06-01
Applicant: PARKER JESSE E
Inventor： PARKER JESSE E
IPC: F22B27/08
CPC classification number: F22B27/08 , Y10T137/86372
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