A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
American national standard screw threads
American national coarsethread and fine-thread series; tap drill sizes; history of project. (price 10 cents)
American national standard screw threads
American national coarsethread and fine-thread series; tap drill sizes; history of project. (price 10 cents)
American national standard screw threads
US Bur Standards -- Commercial Standard
1930
22 pages
Article (Journal)
English
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