din11853-2法兰标准(din86044法兰标准2010)
3StainlesssteelfittingsforthefoodandchemicalindustryPart3Hygienicclamppipeconnection,shorttype无菌,食品和化学工业用不锈钢管件第3部分管连接用卫生短管夹。...
3StainlesssteelfittingsforthefoodandchemicalindustryPart3Hygienicclamppipeconnection,shorttype无菌,食品和化学工业用不锈钢管件第3部分管连接用卫生短管夹。...