Sicherungen gegen Einbruch
by Erwin Marx, August Orth, Claus Köpcke, Emil Spillner, Franz Ewerbeck, Eduard Schmitt
Burglary protectionFire preventionStaircasesCooling
Writing a summary for young readers…
For young readers
Book data: Open Library
by Erwin Marx, August Orth, Claus Köpcke, Emil Spillner, Franz Ewerbeck, Eduard Schmitt
Book data: Open Library