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公开(公告)号:US3001844A
公开(公告)日:1961-09-26
申请号:US81620459
申请日:1959-05-27
Applicant: LEITNER EQUIPMENT COMPANY
Inventor: SPRING CARL E
IPC: A47B87/00
CPC classification number: A47B87/008
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公开(公告)号:US2875748A
公开(公告)日:1959-03-03
申请号:US33033553
申请日:1953-01-08
Applicant: LEITNER EQUIPMENT COMPANY
Inventor: SCHINDLER JAMES C , SPRING CARL E , TOBIASZ ALBIN T
IPC: F24C15/20
CPC classification number: F24C15/20
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公开(公告)号:US2897813A
公开(公告)日:1959-08-04
申请号:US33033653
申请日:1953-01-08
Applicant: LEITNER EQUIPMENT COMPANY
Inventor: SCHINDLER JAMES C , SPRING CARL E , TOBIASZ ALBIN T
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公开(公告)号:US2753236A
公开(公告)日:1956-07-03
申请号:US33672053
申请日:1953-02-13
Applicant: LEITNER EQUIPMENT COMPANY
Inventor: SPRING CARL E
IPC: E06B3/46
CPC classification number: E06B3/4663
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