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公开(公告)号：US2351117A
公开(公告)日：1944-06-13
申请号：US34641040
申请日：1940-07-19
Applicant: DIAMOND POWER SPECIALITY
Inventor： JAMES GLINN ROY , GILBERT HANDOLL PERCY
IPC: F28G3/16
CPC classification number: F28G3/163
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