发明名称
摘要 A tape pad for use in a magnetic recording tape cassette for pressing the recording tape against the magnetic head of a tape recorder comprises a felt piece having the following characteristics: fulling density: 0.35 to 0.4 g/cm3 average diameter of fibers: 0.016 to 0.035 mm average length of fibers: 1.4 to 5.0 mm surface roughness: 0.05 to 0.15 mm +P]
申请公布号 JPH0216464(Y2) 申请公布日期 1990.05.07
申请号 JP19810131322U 申请日期 1981.09.03
申请人 发明人
分类号 D04H1/08;G11B15/60;G11B15/62;G11B23/087 主分类号 D04H1/08
代理机构 代理人
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