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发明名称
Warning device
摘要
申请公布号
US2069054(A)
申请公布日期
1937.01.26
申请号
US19350045024
申请日期
1935.10.15
申请人
THE FIRESTONE STEEL PRODUCTS COMPANY
发明人
ADAMS LELAND R.
分类号
H02J7/04
主分类号
H02J7/04
代理机构
代理人
主权项
地址
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