www.google.frhttp://www.google.fr/patents/US3247849?utm_source=gb-gplus-shareBrevet US3247849 - PUMPXTYPE S SPRAYER FOR LIQUIDS HAVING A DUAL-XPURPOSE P PROTECTIVE CAP FOR PUMP SEALING AND DIRECTIONAL SPRAY CONTROL
PUMPXTYPE S SPRAYER FOR LIQUIDS HAVING A DUAL-XPURPOSE P PROTECTIVE CAP FOR ...