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公开(公告)号:US2944580A
公开(公告)日:1960-07-12
申请号:US76922158
申请日:1958-10-23
Applicant: DILL MFG CO
Inventor: NECE ROGER H
CPC classification number: B60C29/04 , B60C13/00 , Y10T137/7882
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公开(公告)号:US2971526A
公开(公告)日:1961-02-14
申请号:US70742358
申请日:1958-01-06
Applicant: DILL MFG CO
Inventor: BOYER RALPH K , NECE ROGER H
IPC: B60C29/04
CPC classification number: B60C29/04 , Y10T137/3584
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