Patent Application Card - Compact Cassette

Patent Application Card - Compact Cassette

Regular price£3.50
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Adapted from US patent application filed in March 1977 for an improvement in the design of the compact cassette.

Printed on sustainably sourced, acid free paper.

170mm x 120mm.

Blank inside.

Individually wrapped in a cellophane sleeve, with a 120gsm recycled envelope.


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