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Armor-Piercing Munition: Face Me, Carbon-Based Monster! - Chapter 260 - 109 Rumors Abound
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... ce a howitzer.
At that time, the answer was 60 days.
But now, starting from scratch to build a small converter steelmaking plant only takes 5 days.
However, Chen Jian was not surprised by this.
Because compared to a cannon, the difficulty of manufacturing converter steelmaking equipment is significantly lower.
A cannon barrel, even with all equipment fully available, takes from initial rolling, to electroslag remelting, to forging with a ten-thousand-ton f ...
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