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发明名称
EXPLOSION PROOF ELECTRICAL INDICATOR
摘要
申请公布号
CA461632(A)
申请公布日期
1949.12.06
申请号
CAD461632
申请日期
申请人
THE LIQUIDOMETER CORPORATION
发明人
CLARENCE A. DE GIERS
分类号
主分类号
代理机构
代理人
主权项
地址
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