明快打字機相關專利全文
2023-04-02 23:41 作者:逃跑的太陽GOSOLO | 我要投稿

目錄
1.明快中文打字機CHINESE TYPEWRITER??專利號US 2613795(總40頁)1946年4月17日申請
2. 中文字形編碼與鍵盤FONT OF KEYBOARD SYMBOLS? 專利號US D148970(總2頁)1946年5月18日申請
3. Visual Selecting Device for Chinese Typewriters and The Like?專利號US 2613794(總6頁)1948年3月3日申請
4. Page Control and Page Control Release for Typewriters? 專利號US 2577062(總4頁)1950年5月3日申請
5. Spring Powered Type Bar Actuating Mechanism for Typewriters? 專利號US 2590594(總6頁)1950年8月8月22日申請
1.明快中文打字機CHINESE TYPEWRITER??
????專利號US 2613795(總40頁)









































2.?中文字形編碼與鍵盤FONT OF KEYBOARD SYMBOLS ?
????專利號US D148970(總2頁)



3.?Visual Selecting Device for Chinese Typewriters and The Like??
????專利號US 2613794(總6頁)








4.?Page Control and Page Control Release for Typewriters??
????專利號US 2577062(總4頁)




5.?Spring Powered Type Bar Actuating Mechanism for Typewriters??
????專利號US 2590594(總6頁)





