JIS资源列表
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[国外标准] JIS C2521-1999 Copper-nickel alloy wires, rolled wires, ribbons and sheets for electrical resistance
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[国外标准] JIS C2318-2007 Balanced biaxially oriented polyethylene terephthalate films used for electrical purp
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[国外标准] JIS C2317-1999 Combined flexible materials consisting of polyester films and insulating papers for e