2015/06/04 · gb/t 3639 gb/t 8162 gb/t 9174 gb/t 17395 jgj 107 yb/t 5222 rebar mechanical splicing...
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- 2015/06/04 · GB/T 3639 GB/T 8162 GB/T 9174 GB/T 17395 JGJ 107 YB/T 5222 rebar mechanical splicing 3.2 coupler JG/T 163—2013 threaded coupler 3.4 parallel threaded coupler 3.5
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Post on 18-Mar-2021
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