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经营范围
发明名称
Elektrische Signaleinrichtung
摘要
申请公布号
DE1616025(A1)
申请公布日期
1971.03.11
申请号
DE1968N031903
申请日期
1968.01.04
申请人
N.V. NIEUWE ROTTERDAMSCHE INSTRUMENTENFABRIEK OBSERFATOR
发明人
FREDERIK CRAMWINCKEL,JOHANNES;MAAS,JOHANNES
分类号
G01C17/36
主分类号
G01C17/36
代理机构
代理人
主权项
地址
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