TY  - BOOK
ED  - Rubber Stichting <Delft>
TI  - Patents and literature concerning rubber cushioning under rail tracks
T2  - Rubber Stichting : Communication
PY  - 1952///
CY  - Delft, 
KW  - Patentsammlung
KW  - Gummi
KW  - Gleis
KW  - Eisenbahnbau
ER  -