
Hydraulic fluid power - Four-screw, one-piece square flange connections for use at pressures of 42 MPa, DN 25 to 80
出版:International Organization for Standardization

專家解讀視頻
Hydraulic fluid power - Four-screw, one-piece square flange connections for use at pressures of 42 MPa, DN 25 to 80
出版:International Organization for Standardization
專家解讀視頻