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SN 219 501 3-1990 Gas cylinders and gas cylinder valves Classification of the valve connections for filling pressure ≤ 200 bar part 3 coordination of the thread.pdf
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SN 219 501 2-1990 Gas cylinders and gas cylinder valves Classification of the valve connections for filling pressure ≤ 200 bar Part 2 Coordination of the gases .pdf
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4
SN 219 501 1-1989 Gas cylinders and gas cylinder valves Classification of the valve connections for filling pressure≤200 bar Part 1 General terms《滚螺纹和滚花分配》.pdf
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6
SN 219 210-1985 Shut-off Instruments for pressure measuring gauges《公共照明原理 第1部分:街道和广场》.pdf
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2
SJ 2870-1988 Dimensions for I-cores made of magnetic oxides《磁性氧化物制成的I型磁芯的尺寸》.pdf
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11
SJ 2868-1988 Detail specification for electronic components--Fixed low-power non-wirewound resistors--Metal film resistors for Type RJ20 Assessment level E《低功率非.pdf
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9
SJ 2867-1988 Detail specification for electronic components--Fixed low-power non-wirewound resistors--Fixed vitreous enamel resistors for Type RI40 Assessment l.pdf
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11
SJ 2865-1988 Detail specification for electronic components--Fixed low-power non-wirewound resistors--Coating fuse resistors for Type RF10 Assessment level E《电子.pdf
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9
SJ 2864-1988 Detail specification for electronic components--Fixed power resistors--Fixed wirewound resistors for Type RXG7 Assessment level E《电子元器件详细规范功率型固定电阻器.pdf
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7人阅读
10
QJ 799 4A-1997 《机床夹具零件及部件 高速铰孔用旋转导套 外套》.pdf
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