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经营范围
发明名称
Electromagnetic trip
摘要
申请公布号
US2778226(A)
申请公布日期
1957.01.22
申请号
US19540447840
申请日期
1954.08.04
申请人
MCLEAN DEVELOPMENT LABORATORIES, INC.
发明人
LARDIN ARTHUR R.
分类号
B64D1/06
主分类号
B64D1/06
代理机构
代理人
主权项
地址
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