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公开(公告)号：US3045982A
公开(公告)日：1962-07-24
申请号：US77995458
申请日：1958-12-12
Applicant: PHILIPS CORP
Inventor： LAURENS KOHLER JACOB WILLEM , HERRE RINIA , GERBRAND PIET JAN
IPC: F02G1/057
CPC classification number: F02G1/057
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