Safety lamps including flame safety lamps and approved electric lamps

著者

書誌事項

Safety lamps including flame safety lamps and approved electric lamps

（Bulletin / Federal Board for Vocational Education, no. 42 . Trade and industrial series ; no. 12）

Federal board for vacational education, 1919

詳細情報

• NII書誌ID(NCID): BA80160180
• 出版国コード: us
• タイトル言語コード: eng
• 本文言語コード: eng
• 出版地: Washington, D.C.
• ページ数/冊数: ix, 72 p.
• 大きさ: 23 cm
• 親書誌ID:
  • BA24036447