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公开(公告)号:US1693866A
公开(公告)日:1928-12-04
申请号:US4464225
申请日:1925-07-20
Applicant: RAYFIELD MFG COMPANY
Inventor: RAYFIELD CHARLES L
IPC: F23D11/24
CPC classification number: F23D11/24
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公开(公告)号:US1668697A
公开(公告)日:1928-05-08
申请号:US8290926
申请日:1926-01-22
Applicant: RAYFIELD MFG COMPANY
Inventor: RAYFIELD CHARLES L
IPC: F23C99/00
CPC classification number: F23C99/00 , F23C2700/023
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公开(公告)号:US1727081A
公开(公告)日:1929-09-03
申请号:US23118427
申请日:1927-11-05
Applicant: RAYFIELD MFG COMPANY
Inventor: RAYFIELD CHARLES L
IPC: F04C2/32
CPC classification number: F04C2/32
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公开(公告)号:US1781409A
公开(公告)日:1930-11-11
申请号:US27469528
申请日:1928-05-03
Applicant: RAYFIELD MFG COMPANY
Inventor: RAYFIELD CHARLES L
IPC: F16D3/62
CPC classification number: F16D3/62
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公开(公告)号:US1779680A
公开(公告)日:1930-10-28
申请号:US74750124
申请日:1924-11-03
Applicant: RAYFIELD MFG COMPANY
Inventor: RAYFIELD CHARLES L
IPC: F23C1/02
CPC classification number: F23C1/02
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公开(公告)号:US1771655A
公开(公告)日:1930-07-29
申请号:US23118327
申请日:1927-11-05
Applicant: RAYFIELD MFG COMPANY
Inventor: RAYFIELD CHARLES L
IPC: F23D11/24
CPC classification number: F23D11/24
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