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公开(公告)号:US2722033A
公开(公告)日:1955-11-01
申请号:US16163650
申请日:1950-05-12
Applicant: DIAMOND POWER SPECIALITY
Inventor: GLINN ROY J , HANDOLL PERCY G
IPC: F28G15/04
CPC classification number: F28G15/04 , Y10T74/1804 , Y10T74/1848
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2.
公开(公告)号:US2532447A
公开(公告)日:1950-12-05
申请号:US54683144
申请日:1944-07-27
Applicant: DIAMOND POWER SPECIALITY
Inventor: HANDOLL PERCY G , BETTLE PHILIP R
IPC: F28G15/04
CPC classification number: F28G15/04
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