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Patent:US1320018


Patent:US 1320018
Title:Non-numeral-key lock for computing type-writers
Date:28.10.1919
Place:Oakland, CA
Country:USA
Person:Henry N. McKay
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1320018 (espacenet),  US1320018 (uspto)


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