越南专利申请号查询

/sipopublicsearch/portal/showContentDetail-showContentDetail . shtml?params = 991 cfe 73d 4 df 553253d 44 e 19219bf 31366856 ff 4b 1522262 fa 5 BBC 8 CD 3 e 57403028 e 34 ab 967 b 99 c 25 b 33 a 135 f 9 EB 86665438