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REG NACA-RM-L51C30-1951 Low-speed longitudinal and wake air-flow characteristics at a Reynolds number of 5 5 x 10(exp 6) of a circular-arc 52 degrees sweptback wing with a fuselagesiti.pdf
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60
REG NACA-RM-E51F26-1951 Investigation at Mach number 1 91 of side and base pressure distributions over conical boattails without and with jet flow issuing from base.pdf
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9
PS 43-1958 PAKISTAN STANDARD METHODS OF TESTING FASTNESS OF DYES ON TEXTILES TO SEA WATER《巴基斯坦标准 用海水来测试纺织品上的染料的稳定性的试验方法》.pdf
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11
PS 427-1964 CHARPY IMPACT TEST (U-NOTCH) FOR STEEL 《钢材单梁式冲击试验(U型凹口)》.pdf
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6
PS 426-1964 WRAPPING TEST FOR STEEL 《钢材缠绕试验》.pdf
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9
PS 425-1964 CALIBRATION OF VICKERS HARDNESS TESTING MACHINES《维氏硬度试验机校准》.pdf
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14
PS 424-1964 LOAD CALIBRATION TESTING MACHINES FOR TENSILE TESTING OF STEEL《钢材抗拉试验用负荷校准试验机械》.pdf
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14
PS 1423-1978 SPECIFICATION FOR COPPER AND COPPER-CADMIUM TAPES AND BINDERS FOR TELEGRAPH AND TELEPHONE PURPOSES《电报和电话用的铜,铜镉合金和粘合剂》.pdf
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12
PS 1422-1978 SPECIFICATION FOR COPPER BINDING AND JOINTING WIRES FOR TELEGRAPH AND TELEPHONE PURPOSES 《电报和电话用的铜制焊接电线和铜包线》.pdf
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9
PS 1421-1978 SPECIFICATION FOR CHEMICAL ANALYSIS OF COPPER AND COPPER ALLOYS SAMPLING OF COPPER REFINERY SHAPES 《对铜和铜合金的化学分析 铜精炼型材选样》.pdf
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