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发明名称
Illuminable signaling device
摘要
申请公布号
US1954740(A)
申请公布日期
1934.04.10
申请号
US19320649655
申请日期
1932.12.30
申请人
MARSHALL LEATTA M
发明人
MARSHALL LEATTA M.
分类号
B60Q1/34
主分类号
B60Q1/34
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代理人
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