woobin2015 · 2017. 7. 5. · KS-D 4103(JIS G 5121) KS-D 3706 (JS G 4303) KS-M6613 / Relevant...
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woobin2015 · 2017. 7. 5. · KS-D 4103(JIS G 5121) KS-D 3706 (JS G 4303) KS-M6613 / Relevant Standard of Measures Name of Product (Screw—type Pipe Fitting) (Screw) ö-a Ring)