摘要 |
A MARKER PEN COMPRISES A TUBULAR HOUSING (1) FROM ONE END OF WHICH PROTRUDES A FIRST FLUID RETAINING NIB (14) REPLENISHED BY FLUID SUCH AS AN INDICATOR INK PRESENT IN A FIRST CHAMBER (11) POSITIONED WITHIN THE HOUSING, AND A SECOND FLUID RETAINING NIB (25) WHICH ALSO PROTRUDES FROM THE AFORESAID END OF THE HOUSING AND IS REPLENISHED BY FLUID SUCH AS AN ERADICATOR FLUID PRESENT IN A SECOND CHAMBER (18) POSITIONED WITHIN THE HOUSING. THE PROTRUDING NIBS ARE SPACED ONE FROM THE OTHER.(FIGURE 1)
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