029.7 / P695
PLASDOC
/ DOCUMENTATION AND RETRIEVAL OF PLASTICS PATENTS
.- London: Derwent Publications, 1965
.- 38 .
Subject Headings:
Documentation;
Information Storage And Retrieval Systems -- Plastics -- Patents;
Copy Details:
Acc. No.: A19714, Full Call No.: 029.7 P695, Item type: Written-off , Location: ,
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