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公开(公告)号：US3081135A
公开(公告)日：1963-03-12
申请号：US5396960
申请日：1960-09-06
Applicant: KEYSTONE ENGINEERING COMPANY
Inventor： OLSON LESTER A
CPC classification number: F16C19/166 , F16C33/61 , F16C2300/14 , Y10T29/4968 , Y10T29/49689
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公开(公告)号：US3099073A
公开(公告)日：1963-07-30
申请号：US14227361
申请日：1961-10-02
Applicant: KEYSTONE ENGINEERING COMPANY
Inventor： OLSON LESTER A
IPC: F16C33/61
CPC classification number: F16C19/163 , F16C33/61 , F16C2300/14 , Y10T29/49689
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