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公开(公告)号：US1347458A
公开(公告)日：1920-07-20
申请号：US30650419
申请日：1919-06-24
Applicant: GREEN CHARLES E
Inventor： GREEN CHARLES E
IPC: F23D99/00
CPC classification number: F23D91/02 , F23D2206/0057
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