Calibration card

Details Calibration card Calibration card

1990-08-06

1992-11-24

Walsh, Donald P.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Chemical

D10 46, D 8359

Patent

active

D03312038

REFERENCES:
patent: D185474 (1959-06-01), Waller
patent: D266858 (1982-11-01), Cole
patent: 3594086 (1971-07-01), Hughes
patent: 3736433 (1973-05-01), Davis et al.
patent: 4061469 (1977-12-01), Dudose
patent: 4266877 (1981-05-01), Bodart

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