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公开(公告)号:US1667553A
公开(公告)日:1928-04-24
申请号:US14272726
申请日:1926-10-19
Applicant: WICKWIRE SPENCER STEEL COMPANY
Inventor: JOHNSTON GEORGE M
IPC: F26B25/18
CPC classification number: F26B25/18
公开(公告)号:US1667553A
公开(公告)日:1928-04-24
申请号:US14272726
申请日:1926-10-19
Applicant: WICKWIRE SPENCER STEEL COMPANY
Inventor: JOHNSTON GEORGE M
IPC: F26B25/18
CPC classification number: F26B25/18