[ frontstrike spring typewriter ] のウェブ検索結果 (約10件1-10件を表示)[1264msec] US1561450A - Typewriting machine - Google Patents patents.google.com/patent/US1561450A/... A spring is shown at 63 which is distended by the ... The use of this invention in a frontstrike variety ... 43. In a typewriter machine, the combination of a ... On This Day in Typewriter History: Wagner's Early Typeshuttle oztypewriter.blo