|
[ZB N 20002-1988] 直接作用模擬指示電測儀表及其附件用字型和符號[已作廢]
發(fā)布時間：1991-04-01
實施時間：1991-04-01
|
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[ZB N 20003-1989] 電工儀表用零部件平衡錘[已作廢]
發(fā)布時間：1991-04-01
實施時間：1991-04-01
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[ZB N 20004-1989] 電工儀表用零部件 調零器[已作廢]
發(fā)布時間：1991-04-01
實施時間：1991-04-01
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[ZB N 20005-1989] 電工儀器儀表產品型號編制方法[已作廢]
發(fā)布時間：1991-04-01
實施時間：1991-04-01
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[GB 11160-1989] 電測量儀表用張絲和吊絲[已作廢]
發(fā)布時間：1990-05-01
實施時間：1990-05-01
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[GB/T 11161-1989] 電測量儀表標度盤與標度尺[已廢止]
發(fā)布時間：1989-03-31
實施時間：1990-05-01
|
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