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经营范围
发明名称
Coupling device
摘要
申请公布号
US2432275(A)
申请公布日期
1947.12.09
申请号
US19430474257
申请日期
1943.02.01
申请人
HAZELTINE RESEARCH, INC.
发明人
BELS BASIL A.
分类号
H01P1/06
主分类号
H01P1/06
代理机构
代理人
主权项
地址
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