公开/公告号US6506502B2
专利类型
公开/公告日2003-01-14
原文格式PDF
申请/专利权人 HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES;
申请/专利号US20010809161
申请日2001-03-16
分类号B32B51/60;C22C11/00;C22C491/40;C22C470/40;C22C470/60;
国家 US
入库时间 2022-08-22 00:06:29