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公开(公告)号:US2335918A
公开(公告)日:1943-12-07
申请号:US38142241
申请日:1941-03-03
Applicant: MANTLE LAMP CO AMERICA
Inventor: DAVIS CORTLAND W , ENGH WALTER B
IPC: F24H1/20
CPC classification number: F24H1/207
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公开(公告)号:US2259246A
公开(公告)日:1941-10-14
申请号:US23544638
申请日:1938-10-17
Applicant: MANTLE LAMP CO AMERICA
Inventor: DAVIS CORTLAND W , ENGH WALTER B
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公开(公告)号:US1743198A
公开(公告)日:1930-01-14
申请号:US28550928
申请日:1928-06-15
Applicant: MANTLE LAMP CO AMERICA
Inventor: ENGH WALTER B
IPC: F21V37/00
CPC classification number: F21V37/0025 , F21V37/00
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公开(公告)号:US1906255A
公开(公告)日:1933-05-02
申请号:US52146631
申请日:1931-03-10
Applicant: MANTLE LAMP CO AMERICA
Inventor: ENGH WALTER B
CPC classification number: F21H1/04
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公开(公告)号:US2216877A
公开(公告)日:1940-10-08
申请号:US23544538
申请日:1938-10-17
Applicant: MANTLE LAMP CO AMERICA
Inventor: DAVIS CORTLAND W , ENGH WALTER B
IPC: F23D3/00
CPC classification number: F23D3/00 , F23D2700/012 , F23D2700/018
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公开(公告)号:US2213386A
公开(公告)日:1940-09-03
申请号:US23985638
申请日:1938-11-10
Applicant: MANTLE LAMP CO AMERICA
Inventor: DAVIS CORTLAND W , ENGH WALTER B
IPC: F24C5/02
CPC classification number: F24C5/02
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公开(公告)号:US1906254A
公开(公告)日:1933-05-02
申请号:US51869231
申请日:1931-02-27
Applicant: MANTLE LAMP CO AMERICA
Inventor: ENGH WALTER B , DAVIS CORTLAND W
IPC: F23D3/00
CPC classification number: F23D3/00 , F23D2700/012
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