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经营范围
发明名称
Improvements in or relating to signalling means for marine and aerial navigation
摘要
申请公布号
GB315302(A)
申请公布日期
1930.08.14
申请号
GB19290019217
申请日期
1929.06.22
申请人
JULIUS PINTSCH AKTIENGESELLSCHAFT
发明人
分类号
B63B45/08
主分类号
B63B45/08
代理机构
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