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发明名称
Process for making iron powder
摘要
申请公布号
US2441770(A)
申请公布日期
1948.05.18
申请号
US19440563050
申请日期
1944.11.11
申请人
KROLL WILLIAM J
发明人
KROLL WILLIAM J.
分类号
B22F9/22
主分类号
B22F9/22
代理机构
代理人
主权项
地址
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