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咨询: GB 50191-1993 构筑物抗震设计规范 Design code for antiseismic of special structures 电话:400 810 0369(当地市话费) ; MSN & E-mail:zxd711020@hotmail.com gbstandard@hotmail.com chinastandard@hotmail.com ; QQ: | |||||||||||
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咨询: GB 50191-1993 构筑物抗震设计规范 Design code for antiseismic of special structures 电话:400 810 0369(当地市话费) ; MSN & E-mail:zxd711020@hotmail.com gbstandard@hotmail.com chinastandard@hotmail.com ; QQ: |
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