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发明名称
Improvements in ship semaphores
摘要
申请公布号
GB551743(A)
申请公布日期
1943.03.08
申请号
GB19410014423
申请日期
1941.11.08
申请人
THOMAS ELI HAYWOOD;THOMAS ARTHUR ELI HAYWOOD;JOHN TELFORD HAYWOOD;PERCIVAL FRANK HAYWOOD
发明人
分类号
B63B45/00
主分类号
B63B45/00
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代理人
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