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1.Finger ring including ring guard with undulated bearing surface 失效
Title translation: 指环包括带有波纹轴承表面的环形防护罩公开(公告)号:US3360959A
公开(公告)日:1968-01-02
申请号:US38746764
申请日:1964-08-04
Applicant: PALAIS JEWELERS INC
Inventor: JACK SCHECHTER , SHAW JACK L
IPC: A44C9/00
CPC classification number: A44C9/00
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公开(公告)号:US3192737A
公开(公告)日:1965-07-06
申请号:US10770261
申请日:1961-05-04
Applicant: PALAIS JEWELERS INC
Inventor: JACK SCHECHTER , SHAW JACK L
CPC classification number: A44C15/001 , A44C9/00 , A44C17/0208
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