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公开(公告)号：US3234055A
公开(公告)日：1966-02-08
申请号：US23575162
申请日：1962-11-06
Applicant: SELAS CORP OF AMERICA
Inventor： LIAO FENG CHUNG
IPC: C22F1/00
CPC classification number: C22F1/00
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公开(公告)号：US3199570A
公开(公告)日：1965-08-10
申请号：US28380763
申请日：1963-05-28
Applicant: SELAS CORP OF AMERICA
Inventor： WILLIAMS JOHN R , LIAO FENG CHUNG
IPC: F23D14/12
CPC classification number: F23D14/125
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