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A new concrete pipe-making machine
Machine is capable of making concrete pipes of any size between 6 in. and 24 in. of same pattern as stoneware pipes, including collar.
A new concrete pipe-making machine
Machine is capable of making concrete pipes of any size between 6 in. and 24 in. of same pattern as stoneware pipes, including collar.
A new concrete pipe-making machine
Concrete Constructional Eng
1923
2 pages
6 Figs.
Article (Journal)
English
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