| 摘要 |
A structure for fitting a seal cap for communicating an interior of a sealed case with an exterior according to the present invention includes a seal cap which incorporates a seal portion having a breathable porous film fixed to its one end fitted to avent tube of the sealed case, and a vent tube mounting part of the sealed case provided with projections, wherein the structure is so constructed that when the seal cap is fitted to the vent tube, an end of the seal cap comes into contact with the projections thereby to position the seal cap.
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