Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:CH482245A
公开(公告)日:1969-11-30
申请号:CH478769
申请日:1969-03-28
Applicant: ADDMASTER CORP
Inventor: JOHN GERDS CLARY
IPC: G06C7/10 , G06C9/02