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公开(公告)号:US1896756A
公开(公告)日:1933-02-07
申请号:US47164430
申请日:1930-07-30
Applicant: SPALDING JAMES E
Inventor: SPALDING JAMES E
IPC: F25C5/16
CPC classification number: F25C5/00
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公开(公告)号:US1630079A
公开(公告)日:1927-05-24
申请号:US72116924
申请日:1924-06-20
Applicant: SPALDING JAMES E , ARCHER ROBERT L
Inventor: SPALDING JAMES E , ARCHER ROBERT L
CPC classification number: B01D24/24 , B01D36/001 , B01D2201/204
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