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发明名称
DEVICE FOR CONVERTING IMPULSE-MODULATION INTO AMPLITUDE VARIATIONS
摘要
申请公布号
CA486410(A)
申请公布日期
1952.09.09
申请号
CAD486410
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
TJISKE DOUMA
分类号
主分类号
代理机构
代理人
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