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公开(公告)号：US3201608A
公开(公告)日：1965-08-17
申请号：US24797162
申请日：1962-12-28
Applicant: IBM
Inventor： CHUNG DAVID H , MARINO PHILIP M
IPC: H03K3/315
CPC classification number: H03K3/315
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公开(公告)号：US3026487A
公开(公告)日：1962-03-20
申请号：US82392159
申请日：1959-06-30
Applicant: IBM
Inventor： WALSH JAMES L , MARINO PHILIP M
IPC: H03K3/282
CPC classification number: H03K3/282
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