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定膨胀封接铁镍钴合金
Sealed iron-nickel-cobalt alloy with permanent ecpansion
价格：￥0.00
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低膨胀铁镍、铁镍钴合金
Iron-nickel、iron-nickel-cobalt of low expansion
价格：￥0.00
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玻封铁铬合金4J28
The glass sealed iron-chromium alloy 4J28
价格：￥0.00
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无磁磁尺基体用铁锰合金4J59
Iron-manganese alloy 4J59 for non-magnetic ruler
价格：￥0.00
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线纹尺用定膨胀铁镍合金4J58
Iron-nickel alloy 4J58 of permanent expansion for line rules
价格：￥0.00
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玻封铁镍铜合金4J41
Glass sealed iron-nickel-copper alloy 4J41
价格：￥0.00
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低膨胀合金4J32、4J36、4J38和4J40技术条件
4J32,4J36,4J38 and 4J40 alloys with low expansion technical requirement
价格：￥0.00
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杜美丝芯合金4J43技术条件
Iron-nickel alloy 4J43 technical requirement
价格：￥0.00
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低钴定膨胀瓷封合金4J46技术条件
Porcelain sealed alloy 4J46 with permanent expansion and low cobalt technical requirement
价格：￥0.00
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