登入選單
返回Google圖書搜尋
Specification of John Gedge
John Gedge
其他書名
Apparatus for Preventing Escape of Smoke from Flues, &c
出版Queen's Printing Office, 1854
URLhttp://books.google.com.hk/books?id=v-CC0AEACAAJ&hl=&source=gbs_api