Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Requirements for washed gravel ballast
Specification covering grading, cleanness and methods of testing; specification was offered after thorough consideration of functions of ballast and methods of producing prepared gravel.
Requirements for washed gravel ballast
Specification covering grading, cleanness and methods of testing; specification was offered after thorough consideration of functions of ballast and methods of producing prepared gravel.
Requirements for washed gravel ballast
Nat. Sand Gravel Bul
1928
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Economical production of washed sand and gravel
Engineering Index Backfile | 1918
A Special train for replacing gravel ballast to concrete ballast
Europäisches Patentamt | 2022
A Special train for replacing gravel ballast to concrete ballast
| Europäisches Patentamt | 2019