Multifunctional wristwatch

Measuring – testing – or signalling instruments – Watch – wristwatch or case

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D03188078

REFERENCES:
patent: D79292 (1929-08-01), Gruen
patent: D79293 (1929-08-01), Gruen
patent: D256561 (1980-08-01), Muramatsu
patent: D258120 (1981-02-01), Muramatsu
patent: D288668 (1987-03-01), Flury
patent: D311693 (1990-10-01), Woomer
patent: 1954249 (1934-04-01), Kehl
patent: 2177234 (1939-10-01), Walser
patent: 4466285 (1984-08-01), Allemano
Hong Kong Enterprise, FL-501, 11/1987, p. 339.

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