JisH3250C353112IsoBz3n???Jis???c3604?c3771?c3531 ?bz?C3604C3771Sanetucojp C3604???bz?seriesJisH3250C6801C6802 InstrumentationPipeWeldFittingsDklokUsa InstrumentationPipeampWeldFittings6000psig10000psigAndStandardRatingBrassJisH3250C3604Astm B453C35300JisH3250C3771AstmB283C37700204 PipeFittingsInst...