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专利名称：MAGNETIC TAPE CASSETTES
发明人：HARADA, MASAYUKI C/O PATENT DIV.申请号：EP84308658申请日：19841213公开号：EP0152693B2公开日：19910918
摘要：A magnetic tape cassette comprises a cassette housing (1) having an upper anda lower half (2,3), and a pair of tape reels (4, 5) therein. A rib (36) is formed on the lowerperiphery of a window (14) in the upper wall (2a) of the upper half (2) so as to prevent thepair of tape reels (4, 5) held in the cassette housing (1) from excess movement towardsthe upper half (2).
申请人：SONY CORPORATION
地址：7-35 KITASHINAGAWA 6-CHOME SHINAGAWA-KU; TOKYO 141
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