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发明名称
Duplex metal article
摘要
申请公布号
US1975778(A)
申请公布日期
1934.10.09
申请号
US19330694447
申请日期
1933.10.20
申请人
MAGNESIUM DEVELOPMENT CORPORATION
发明人
BROWN ROBERT H.
分类号
B32B15/01
主分类号
B32B15/01
代理机构
代理人
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地址
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