Hose coupling

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting

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2301

Patent

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D04020120

REFERENCES:
patent: D213192 (1969-01-01), Hastings
patent: 221153 (1879-11-01), Chapin
patent: D233836 (1974-12-01), Raffler et al.
patent: D240227 (1976-06-01), Flynn
patent: D320842 (1991-10-01), Roman
patent: 1899119 (1933-02-01), Singer
patent: 2799348 (1957-07-01), Page
patent: 4776369 (1988-10-01), Lardner et al.
patent: 5009252 (1991-04-01), Faughn
Sprinklemist 1941 Cat., p. 6: Rubber-Covered hose Nozzle No H-227.
The Gardena Catalog of 1995, Sep. 1994, p. 52.

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