D43H-10C-DN50,D43H-10C-DN65,D343H-10C-DN50,D343H-10C-DN65,法兰式金属硬密封蝶阀|产品总汇|无锡市昌林自动化科技有限公司手机版

D43H-10C-DN50,D43H-10C-DN65,D343H-10C-DN50,D343H-10C-DN65,法兰式金属硬密封蝶阀

1890

44-30

2045

1970

1918

44-40