Patent search ap:("INT STANDARD ELECTRIC CORP") AND inv:"DE WIT FRANS CORNEEL LEO" Page 1

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发明授权
Electrical identification system 失效
Title translation: 电气识别系统

公开(公告)号：US2913531A

公开(公告)日：1959-11-17

申请号：US47731954

申请日：1954-12-23

Applicant: INT STANDARD ELECTRIC CORP

Inventor： HELMUT ADELAAR HANS , DE WIT FRANS CORNEEL LEO

IPC: A23J1/16 , H01H67/26 , H04M15/08 , H04M15/10 , H04Q3/00

CPC classification number: H04M15/10 , A23J1/16 , H01H67/26 , H04M15/08 , H04Q3/00

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