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国标不锈钢法兰规格(国标不锈钢法兰规格尺寸表)
如果按国标来说,有025mpa06mpa10mpa16mpa25mpa40mpa63mpa100mpa按美标来说,有PN20class150PN50class300PN110class600PN150class900PN260class1500我叫朱学春,是法兰盘的生产厂家;...
如果按国标来说,有025mpa06mpa10mpa16mpa25mpa40mpa63mpa100mpa按美标来说,有PN20class150PN50class300PN110class600PN150class900PN260class1500我叫朱学春,是法兰盘的生产厂家;...