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Inventor
YAHAGI MINORU
JP
2 patents
Patents
2 patents
US4771353A
Sep 13, 1988
Magnetic tape cassette having a translucent rough surface on a reel flange
SONY CORP
11 citations
69
US4893766A
Jan 16, 1990
Tape cassette having a front lid and a back lid
SONY CORP
5 citations
59