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发明名称
Signaling device
摘要
申请公布号
US2678978(A)
申请公布日期
1954.05.18
申请号
US19510262781
申请日期
1951.12.21
申请人
REYNOLDS JOSEPH S
发明人
REYNOLDS JOSEPH S.
分类号
B21B37/64;B21C37/02;B60Q1/44;F24C15/10
主分类号
B21B37/64
代理机构
代理人
主权项
地址
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