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发明名称
Magnetic retrievers
摘要
申请公布号
US3169791(A)
申请公布日期
1965.02.16
申请号
US19620167114
申请日期
1962.01.18
申请人
GODFREY TWACHTMAN
发明人
TWACHTMAN GODFREY
分类号
B25J1/04
主分类号
B25J1/04
代理机构
代理人
主权项
地址
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