船用测深自闭阀CB/T3778-1999,通常标记为：测深自闭阀40CB/T3778-99,青铜测深自闭阀DN40CB/T3778-99测深自闭阀50CB/T3778-99,青铜测深自闭阀DN50CB/T3778-99测深自闭阀65CB/T3778-99,青铜测深自闭阀DN65CB/T3778-99船用自闭式测量管头CBM1128-82通常标记为：Dg40自闭式测量管头CBM1128-82Dg50自闭式测量管头CBM1128-82Dg65自闭式测量管头CBM1128-82Dg80自闭式测量管头CBM1128-82)