Results 111 to 120 of about 519 (125)

高强度螺栓用钢42CrMo(B7)的研制

open access: closed, 2009
尚明, 王金海, 穆敬飞
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论为桥梁及结构工程安全、创新、发展服务的高强度螺栓新标准、新钢号

open access: closed, 2013
王章友   +5 more
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