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发明名称
COMMUNICATION SYSTEM
摘要
申请公布号
CA439939(A)
申请公布日期
1947.02.25
申请号
CAD439939
申请日期
申请人
BELL TELEPHONE LABORATORIES;WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
WALTER MEREDITH BACON;FULLERTON STEWART KINKEAD;JOSEPH ANTON KRECEK
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