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美国政府科技报告
>Development Test of Tube, 75mm M3, Number 51318-7-9 Manufactured by Watervliet Arsenal from Seamless Tubing by Timken Roller Bearing Company, Erie Proving Ground.
【24h】
Development Test of Tube, 75mm M3, Number 51318-7-9 Manufactured by Watervliet Arsenal from Seamless Tubing by Timken Roller Bearing Company, Erie Proving Ground.