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Hammerhead derricks erect steel towers of bay bridge
Features of design; make-up and dimensions for 500-ft towers of San Francisco Bay bridges; erection procedure; moving of derrick.
Hammerhead derricks erect steel towers of bay bridge
Features of design; make-up and dimensions for 500-ft towers of San Francisco Bay bridges; erection procedure; moving of derrick.
Hammerhead derricks erect steel towers of bay bridge
Eng News-Rec
Hunter, H.C. (Autor:in)
Engineering News-Record ; 114
1935
4 pages
Aufsatz (Zeitschrift)
Englisch
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