Chalk line reel

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric

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D10 72

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D03455130

REFERENCES:
patent: D313561 (1991-01-01), Van Slyke
patent: D314156 (1991-01-01), Doyle
patent: D334717 (1993-04-01), Evans, Jr. et al.
patent: 2311243 (1943-02-01), Michael
patent: 3086322 (1963-04-01), Laughlin
patent: 4832331 (1989-05-01), Brandli

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