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臺灣JGH減壓閥臺灣久岡JGH減壓閥部分型號：
RG-03-1-31-TU-A RG-03-2-31-TU-A RG-03-2-31-TU-A
RG-03-1-30-TU-A RG-03-2-30-TU-A RG-03-2-30-TU-A
RT-03-1-31-TU-A RT-03-2-31-TU-A RT-03-2-31-TU-A
RT-03-1-30-TU-A RT-03-2-30-TU-A RT-03-2-30-TU-A
 RG-10-2-30-TU-A臺灣久岡減壓閥***
RG-06-1-31-TU-A RG-06-2-31-TU-A RG-06-2-31-TU-A
RG-06-1-30-TU-A RG-06-2-30-TU-A RG-06-2-30-TU-A
RT-06-1-31-TU-A RT-06-2-31-TU-A RT-06-2-31-TU-A
RT-06-1-30-TU-A RT-06-2-30-TU-A RT-06-2-30-TU-A
 
RG-10-1-31-TU-A RG-10-2-31-TU-A RG-10-2-31-TU-A
RG-10-1-30-TU-A RG-10-2-30-TU-A RG-10-2-30-TU-A

RT-10-1-31-TU-A RT-10-2-31-TU-A RT-10-2-31-TU-A

RG-10-2-30-TU-A臺灣久岡減壓閥***

RT-10-1-30-TU-A RT-10-2-30-TU-A RT-10-2-30-TU-A
臺灣久岡溢流閥臺灣JeouGang溢流閥
JeouGang溢流閥部分型號：
DG-02-1-30 DG-02-2-30 DG-02-3-30
DT-02-1-30 DT-02-2-30 DT-02-3-30

臺灣久岡減壓閥 臺灣JeouGang減壓閥