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公开(公告)号:US2410800A
公开(公告)日:1946-11-12
申请号:US53243344
申请日:1944-04-24
Applicant: FRED BAUMGARTNER
Inventor: FRED BAUMGARTNER
CPC classification number: A63F3/0423 , A63F9/18
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公开(公告)号:US1985759A
公开(公告)日:1934-12-25
申请号:US55573731
申请日:1931-08-07
Applicant: FRED BAUMGARTNER
Inventor: FRED BAUMGARTNER
IPC: B60S5/04
CPC classification number: B60S5/043 , Y10T137/36 , Y10T137/3662 , Y10T137/7781
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公开(公告)号:US1785759A
公开(公告)日:1930-12-23
申请号:US28610128
申请日:1928-06-18
Applicant: FRED BAUMGARTNER
Inventor: FRED BAUMGARTNER
IPC: G05D16/16
CPC classification number: G05D16/166
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