专利名称：Magnetic tape cassettes发明人：Harada, Masayuki c/o Patent Div.申请号：EP84308658.8申请日：19841213公开号：EP0152693A1公开日：19850828
专利附图：
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 towards
the upper half (2).
申请人：SONY CORPORATION
地址：7-35 Kitashinagawa 6-chome Shinagawa-ku Tokyo 141 JP
国籍：JP
代理机构：Thomas, Christopher Hugo
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