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经营范围
发明名称
MEMORY MEDIUM FOR HIGH DENSITY MAGNETIC BUBBLE
摘要
申请公布号
JPH01128289(A)
申请公布日期
1989.05.19
申请号
JP19870285276
申请日期
1987.11.13
申请人
RICOH CO LTD
发明人
YUZURIHARA HAJIME;TANAKA MOTOHARU;TOKITA TOSHIAKI
分类号
G11C11/14
主分类号
G11C11/14
代理机构
代理人
主权项
地址
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