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发明名称
Light signaling arrangement
摘要
申请公布号
US2014048(A)
申请公布日期
1935.09.10
申请号
US19310529770
申请日期
1931.04.13
申请人
ORENSTEIN & KOPPEL AKTIENGESELLSCHAFT
发明人
MEYER KARL
分类号
B61L5/18
主分类号
B61L5/18
代理机构
代理人
主权项
地址
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