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发明名称
PULSE MODULATOR
摘要
申请公布号
CA674977(A)
申请公布日期
1963.11.26
申请号
CAD674977
申请日期
申请人
STANDARD TELEPHONES AND CABLES MFG. CO. (CANADA) LTD.
发明人
JEAN A. BAUDIN
分类号
主分类号
代理机构
代理人
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