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发明名称
ELECTROMECHANICAL TRANSDUCING ARRANGEMENT
摘要
申请公布号
CA619866(A)
申请公布日期
1961.05.09
申请号
CAD619866
申请日期
申请人
STANDARD TELEPHONES AND CABLES MFG. CO. (CANADA) LTD.
发明人
HAROLD F. JARGER
分类号
主分类号
代理机构
代理人
主权项
地址
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