wherein the plates are inserted

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CPC
G07B1/04

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Parent Industries

GPHYSICS G07Checking devices G07BTICKET-ISSUING APPARATUS FARE-REGISTERING APPARATUS FRANKING APPARATUS G07B1/00Machines for printing and issuing tickets

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G07B1/04wherein the plates are inserted

Industries

Patents Grantslast 30 patents

Information Patent Grant
2307932
- Patent number 2,307,932
- Issue date Jan 12, 1943
- G07 - CHECKING-DEVICES