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Edwards High Vacuum Ltd

Edwards Hi
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB779347A Improvements in or relating to etching metals Expired / Lapsed 1953-08-18 — 0 Details
US2722371A Vacuum pumping apparatus Expired / Lapsed 1952-09-08 1955-11-01 0 Details