Card punching machine

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US2602509A Card punching machine 失效

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Patent Title: Card punching machine
Application No.: US17160250

Application Date: 1950-07-01
Publication No.: US2602509A

Publication Date: 1952-07-08
Inventor: DOTY CHARLES R , KLOTZ HERMAN J , KORANYE THEODORE D
Applicant: IBM
Assignee: Ibm
Current Assignee: Ibm
Priority: US17160250 1950-07-01; US72860047 1947-02-14

Card punching machine

Public/Granted literature

US20210234932A1 DYNAMIC TIME-BASED PLAYBACK OF CONTENT IN A VEHICLE Public/Granted day:2021-07-29

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