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发明名称
Geraet zum Messen des veraenderlichen gegenseitigen Verhaeltnisses der jeweiligen Drehzahlen mehrerer Wellen
摘要
申请公布号
DE877680(C)
申请公布日期
1953.05.26
申请号
DE1943P034670D
申请日期
1943.07.18
申请人
ENGELHARDT OSKAR
发明人
ENGELHARDT OSKAR
分类号
G01P1/08
主分类号
G01P1/08
代理机构
代理人
主权项
地址
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