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发明名称
IMPROVEMENTS IN OR RELATING TO METAL GRATING
摘要
申请公布号
IE45224(B1)
申请公布日期
1982.07.14
申请号
IE19770001245
申请日期
1977.06.17
申请人
NORTON ENGINEERING ALLOYS CO LTD
发明人
分类号
B21D47/00;E04C2/42;(IPC1-7):F16S3/08
主分类号
B21D47/00
代理机构
代理人
主权项
地址
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