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发明名称
LIGHTWEIGHT METALLIC STRUCTURE
摘要
申请公布号
US3489534(A)
申请公布日期
1970.01.13
申请号
USD3489534
申请日期
1967.01.03
申请人
GENERAL ELECTRIC CO.
发明人
MOSES A. LEVINSTEIN
分类号
B23K31/02;C22C47/20;F01D11/12;F16L9/02;(IPC1-7):B23K31/00;B21F45/00;B21C37/00
主分类号
B23K31/02
代理机构
代理人
主权项
地址
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