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公开(公告)号：US2657527A
公开(公告)日：1953-11-03
申请号：US13588649
申请日：1949-12-30
Applicant: PHILIPS LAB INC
Inventor： MULLER HENDRIK L , BOUWMAN WICHER K
IPC: F02G1/047
CPC classification number: F02G1/047 , Y10T137/2514
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2.发明授权
公开(公告)号：US2558495A
公开(公告)日：1951-06-26
申请号：US339848
申请日：1948-01-21
Applicant: PHILIPS LAB INC
Inventor： MULLER HENDRIK L , BOUWMAN WICHER K
IPC: F02G1/05
CPC classification number: F02G1/05 , Y10T137/1116
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