A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bell-bottom screw jacks
Sizes of 4-way head type, and of ratchet head type are given in tables. (5¢)
Bell-bottom screw jacks
Sizes of 4-way head type, and of ratchet head type are given in tables. (5¢)
Bell-bottom screw jacks
U S Bur Standards -- Simplified Practice Recommendation
1947
11 pages
Article (Journal)
English
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