Index to classification

Author(s)

• United States. Patent Office

Bibliographic Information

Index to classification

Department of Commerce United States Patent Office

（Classification of U.S. patents / U.S. Department of Commerce, Patent Office, 別冊2）

技報堂, 1961.3

Note

"January 1956"

復刻兼発行人: 大沼正吉

• NCID: BB10478193
• Country Code: ja
• Title Language Code: eng
• Text Language Code: eng
• Place of Publication: 東京
• Pages/Volumes: 1冊
• Size: 27cm
• Classification:
  • LCC : T223
• Subject Headings:
  • LCSH : Patents -- United States
• Parent Bibliography ID:
  • BB10475107