| 摘要 |
A tape cassette including a housing with top, bottom and peripheral walls and a lid extending parallel to a rear portion of the peripheral wall and having ear portions at its ends pivotably mounted on side portions of the peripheral wall for movements of the lid between open and closed positions, is provided with parallel top and bottom longitudinal grooves formed in the top and bottom walls, respectively, of the cassette housing and extending from one to the other of said side portions of the peripheral wall at different respective distances from the rear portion of the peripheral wall. Further, one of the side portions of the peripheral wall has an outwardly directed flange-shaped flat abutting portion extending therefrom proximate to the bottom wall of the cassette housing.
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