image is a derivative work of the following images: File:Kupferfittings_4062.jpg licensed with Cc-by-sa-3.0-migrated, GFDL 2007-04-11T22:15:05Z Torsten Bätge...
file: 1-1111 CU-solderfitting-type 5002-18.jpg 1-1111 CU-solderfitting-type 5040.jpg 1-1111 CU-solderfitting-type 5041.jpg 1-1111 CU-solderfitting-type 5130-22...
