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发明名称
Clockwork driving mechanism in tachometers and the like
摘要
申请公布号
US1838843(A)
申请公布日期
1931.12.29
申请号
US19310521376
申请日期
1931.03.09
申请人
HASLER A.-G. VORMALS TELEGRAPHENWERKSTATTE VON G. HASLER
发明人
KOHLER ULRICH
分类号
G01P3/02
主分类号
G01P3/02
代理机构
代理人
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