德国SIEMENS西门子燃气电磁阀,VGD20.403VGD20.503VGD40.040VGD40.050,VFR10.404VFR10.504VFR10.654VFR10.804,VLG15.504VLG15.804VLF45.404VLF45.504,VLF60.805VGG10.154PVGG10.204PVGG10.254P,VGG10.2541PVGG10.4041PVGG10.5041PVGG10.8041P,VGG10.2041VGG10.2541VGG10.4041VGG10.5041,VGF10.4041PVGF10.5041PVGF10.6541PVGF10.8041P,VGF10.5041VGF10.6541VGF10.8041)