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公开(公告)号:CH502748A
公开(公告)日:1971-01-31
申请号:CH418470
申请日:1970-03-19
Applicant: PHOTOCIRCUITS CORP
Inventor: FREDERICK W SCHNEBLE , JOHN F MCCORMACK , RUDOLPH J ZEBLISKV , JOHN DUFF WILLIAMSON , JOSEPH POLICHETTE
IPC: H05K1/02 , H05K1/03 , H05K3/28 , H05K3/42 , H05K3/46 , H05K3/00