Magnetic tape cassette having a lid lock

Magnetic tape cassette having a protective plug to avoid erroneo

Magnetic tape cassette having a rocking guard panel

Magnetic tape cassette having a slider mounted on the lower casi

Magnetic tape cassette having a sliding closure member that lock

Magnetic tape cassette having a spring-biased front panel and lo

Magnetic tape cassette having a tape passage including ribs

Magnetic tape cassette having a translucent rough surface on a r

Magnetic tape cassette having an improved braking mechanism

Magnetic tape cassette having an improved window design

Magnetic tape cassette having automatic brake

Magnetic tape cassette having bridged guide ribs

Magnetic tape cassette having dust blocking member for preventin

Magnetic tape cassette having dynamic tape guide

Magnetic tape cassette having elastic pad element

Magnetic tape cassette having friction sheet protruding portions

Magnetic tape cassette having improved closure means

Magnetic tape cassette having improved dust proofing

magnetic tape cassette having improved dust proofing

Magnetic tape cassette having improved erasure preventing device