GB633957A - - Google Patents

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Publication number
GB633957A
GB633957A GB633957DA GB633957A GB 633957 A GB633957 A GB 633957A GB 633957D A GB633957D A GB 633957DA GB 633957 A GB633957 A GB 633957A
Authority
GB
United Kingdom
Prior art keywords
key
lever
depressed
keys
pivoted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
Other languages
English (en)
Publication of GB633957A publication Critical patent/GB633957A/en
Active legal-status Critical Current

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GB633957D Active GB633957A (da)

Publications (1)

Publication Number Publication Date
GB633957A true GB633957A (da)

Family

ID=1749789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB633957D Active GB633957A (da)

Country Status (1)

Country Link
GB (1) GB633957A (da)

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