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6
TCVN 4627-1988 Agricultural machine Principles of prototype management《农业机械 样机管理的原理》.pdf
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6
TCVN 4622-1994 Powdered milk and sweetened condensed milk Method of mineralisation of sample for the determination of lead and arsenic contents《奶粉和甜炼乳 测定铅和砷含量用样品的的矿化方法》.pdf
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5
TCVN 4621-2009 Soil quality Method for the determination of total exchangeable bazes《土质 可交换青铜总量的测定方法》.pdf
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2人阅读
6
TCVN 4620-1988 Cultivated soil Determination of cation exchange capacity (CEC)《耕种土壤 阳离子交换能力(CEC)的测定》.pdf
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10
TCVN 4617-1988 Non-destructive testing Capillary methods《无损检测 毛细管法》.pdf
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7人阅读
5
TCVN 4105-1985 Outside micrometers Micrometers with plane and changed gages Basic dimensions《外径千分尺 带平面规和改变规的测微计 基本尺寸》.pdf
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4人阅读
6
TCVN 4104-1985 Outside micrometers Lane micrometers Basic dimensions《外径千分尺 保龄球道测微计 基本尺寸》.pdf
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4人阅读
4
TCVN 4103-1985 Outside micrometers Micrometer heads Basic dimensions《外径千分尺 测微头 基本尺寸》.pdf
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4
TCVN 4102-1985 Outside micrometers Type《外径千分尺 类型》.pdf
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2人阅读
10
TCVN 4101-1985 Vernier gages with slider jaws Technical requirements《带滑动钳口的游标卡尺 技术要求》.pdf
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4人阅读
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