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发明名称
Method of manufacturing disintegrated bronze foils
摘要
申请公布号
US1932741(A)
申请公布日期
1933.10.31
申请号
US19310536789
申请日期
1931.05.12
申请人
FIRM HARTSTOFF-METALL A. G.
发明人
KRAMER ERWIN
分类号
B02C21/00;B02C23/00
主分类号
B02C21/00
代理机构
代理人
主权项
地址
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