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公开(公告)号:BR7016629D0
公开(公告)日:1973-01-04
申请号:BR21662970
申请日:1970-02-06
Applicant: MOTOROLA INC
Inventor: FEIT J , HILBERT F
IPC: H03D1/22
公开(公告)号:BR7016583D0
申请号:BR21658370
申请日:1970-02-05
公开(公告)号:BR7016630D0
申请号:BR21663070
Inventor: CECCHIN G , FEIT J
IPC: H03B19/14 , H04B1/16