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公开(公告)号：US2852838A
公开(公告)日：1958-09-23
申请号：US51514955
申请日：1955-06-13
Applicant: SAAB SCANIA AB
Inventor： SIGFRID KRUTMEIJER KARL GUNNAR
IPC: B25B27/06 , B25B27/073
CPC classification number: B25B27/064 , Y10T29/49945 , Y10T29/5383 , Y10T29/5393
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