Ladislav Sedlecky of the National and University Library in Prague has devised a method of preserving valuable documents. Here Josef Vyskooil and Ladislav Sedlecky are treating the page of a ancient book with nylon solution. 28th November 1955
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Details
Creative#:
TOP19085773
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
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