Bibframe Work
Generation Process: DLC marc2bibframe2 v2.5.0
Status: changed
Encoding Level: full not examined
Identified By: bf:Local, 7805726
Change Date: 2005-07-31T17:38:06
Creation Date: 1980-03-08
Description Modifier: United States, Library of Congress
Description Authentication: LC PreMARC Retrospective Conversion Project
Assigner: Library, U.S. Dept. of Labor
Hydro-extractorstheir safe construction and equipment () Geneva: [Printed by Atar]; 1929