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公开(公告)号:US2793484A
公开(公告)日:1957-05-28
申请号:US41504254
申请日:1954-03-09
Applicant: HUFFMAN MFG COMPANY
Inventor: MCNEILL FRANCIS R , SILBEREIS JOSEPH A
IPC: A01D34/63
CPC classification number: A01D34/63 , A01D2101/00 , Y10T403/7018 , Y10T403/7041
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公开(公告)号:US2752169A
公开(公告)日:1956-06-26
申请号:US42374954
申请日:1954-04-16
Applicant: HUFFMAN MFG COMPANY
Inventor: FREDERICK ABEL
IPC: B62H7/00
CPC classification number: B62H7/00
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公开(公告)号:US2330892A
公开(公告)日:1943-10-05
申请号:US38745641
申请日:1941-04-08
Applicant: HUFFMAN MFG COMPANY
Inventor: HORSTMAN JOHN H
IPC: B62K25/16
CPC classification number: B62K25/16 , B62K2201/04
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公开(公告)号:US2021246A
公开(公告)日:1935-11-19
申请号:US73563834
申请日:1934-07-17
Applicant: HUFFMAN MFG COMPANY
Inventor: VAHLE EDGAR W
IPC: B67B7/48
CPC classification number: B67B7/26
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公开(公告)号:US1966082A
公开(公告)日:1934-07-10
申请号:US63955232
申请日:1932-10-26
Applicant: HUFFMAN MFG COMPANY
Inventor: ROTH JOHN T , VAHLE EDGAR W
IPC: A47J36/14
CPC classification number: A47J36/14
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公开(公告)号:US1901504A
公开(公告)日:1933-03-14
申请号:US41960530
申请日:1930-01-09
Applicant: HUFFMAN MFG COMPANY
Inventor: FULTON PAUL D
IPC: G01F19/00
CPC classification number: G01F19/00
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公开(公告)号:US1861409A
公开(公告)日:1932-05-31
申请号:US33466829
申请日:1929-01-24
Applicant: HUFFMAN MFG COMPANY
Inventor: HUFFMAN HORACE M
IPC: G01F19/00
CPC classification number: G01F19/00
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