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1.发明授权Method and means for the manufacture of two color indicia bearing drums for meters and similar apparatus 失效用于制造用于仪表和类似装置的两色标记轴承滚筒的方法和装置
公开(公告)号：US3138323A
公开(公告)日：1964-06-23
申请号：US8047161
申请日：1961-01-03
Applicant: COMPTEURS COMP D
Inventor： MAURICE YOLIN
IPC: G06M1/24
CPC classification number: G06M1/241
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