1980资源列表
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[国外标准] BS 5345-8-1980 Code of practice for selection,installation and maintenance of electrical apparatus f
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[国外标准] BS 4486-1980 Specification for hot rolled and hot rolled and processed high tensile alloy steel bars
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[国外标准] BS 4147-1980 Specification for bitumen-based hot-applied coating materials for protecting iron and s
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[国外标准] BS 3962-1-1980 Methods of test for Finishes for wooden furniture — Part 1 Assessment of low angle gl
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[国外标准] BS 3148-1980 Methods of test for water for making concrete (including notes on the suitability of th