1978资源列表
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[国外标准] DIN 1014-2-1978 steel bars-hot rolled squares for special purposes-dimensions permissible deviations
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[国外标准] BS 5651-1978 Cleansing and wetting procedures for use in the assessment of the effect of cleansing a
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[国外标准] BS 5573-1978 Code of practice for safety precautions in the construction of large diameter boreholes
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[国外标准] BS 5345-6-1978 Code of practice for selection,installation and maintenance of electrical apparatus f
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[国外标准] BS 4550-3-3.8-1978 Methods of texting cement part 3 Physical Tests Section 3.8 Test for heat of hydr
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[国外标准] BS 4550-3-3.7-1978 Methods of texting cement part 3 Physical Tests Section 3.7 Soundness test
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[国外标准] BS 4550-3-3.6-1978 Methods of texting cement part 3 Physical Tests Section 3.6 Test for setting time