Graham A. W. Armstrong

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Wagga Wagga, AU

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Patents Grantslast 30 patents

Information Patent Grant
Escalator cleaning device
- Patent number 5,025,527
- Issue date Jun 25, 1991
- Advanced Escalator and Travelator Cleaner Pty. Ltd.
- Graham A. W. Armstrong
- B66 - HOISTING LIFTING HAULING