Abstract: An accounting book automatic entering device, by which, when it is used for business processing in an accounting system, linked with an output device of a computer, trade data can be recorded in lines directly succeeding the last line of the preceding recording also on the rear side of book sheets of all the relating books and they can be conserved in the form of books after recording only by inputting one assortment so that they can be accessed at any time. A book holding shelf driving device locates a shelf of a book holding shelf corresponding to a shelf code, based on the shelf code in positional data stored in a memory device and an entry page selecting device driving section drives an entry page selecting device so as to select a specified book to fix it by means of a book selecting mechanism, to open the book at a target page by means of a page turning mechanism and for a printer to record output data on that page.

Abstract: A waterproof sheet for concrete structures comprising a sheet made of a thermoplastic synthetic resin, and powder of cement which is pressed against the sheet and adhered to one side surface or both side surfaces of the sheet. There are also disclosed a method of manufacturing a waterproof sheet for concrete structures and a method of applying a waterproof sheet to the concrete structure.