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公开(公告)号:US2936019A
公开(公告)日:1960-05-10
申请号:US60890756
申请日:1956-09-10
Applicant: TOLEDO HEATER COMPANY
Inventor: MILLER PETER J
IPC: B21D9/12
CPC classification number: B21D9/12 , Y10T29/49444
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公开(公告)号:US3396569A
公开(公告)日:1968-08-13
申请号:US50923165
申请日:1965-08-27
Applicant: TOLEDO HEATER COMPANY
Inventor: MILLER PETER J
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公开(公告)号:US3248920A
公开(公告)日:1966-05-03
申请号:US38146764
申请日:1964-07-09
Applicant: TOLEDO HEATER COMPANY
Inventor: MILLER PETER J
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