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公开(公告)号：US2236307A
公开(公告)日：1941-03-25
申请号：US30301339
申请日：1939-11-06
Applicant: STANLEY BUSH
Inventor： STANLEY BUSH
IPC: F24C3/12
CPC classification number: F24C3/12 , Y10S137/91 , Y10T137/1692 , Y10T137/5907 , Y10T137/7032
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