| 摘要 |
A diving mask comprising an eyeglass mounting frame; an outer frame made in two pieces which can be connected together by means of coupling members; and a rubber face piece provided with a front aperture, the peripheral rim of which overlaps the outer rim of the said eyeglass mounting frame, and is clamped between the outer rim of the said eyeglass mounting frame and the internal rim of the said outer frame; and fastening means on the outer frame and on the eyeglass mounting frame for fastening the said members together at least in correspondence of the mask median axis.
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