如何检查专利号的真实性
在专利局的网站上搜索一下就知道是真是假了。
/sipopublicsearch/search/search home-search index . shtml？params = 991 cfe 73d 4d f 553253d 44e 19219bf 31366856 ff 4b 152226 CAE 4 db 031259396 a
/sipopublicsearch/search/search home-search index . shtml？params = 991 cfe 73d 4d f 553253d 44e 19219bf 31366856 ff 4b 152226 CAE 4 db 031259396 a