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经营范围
发明名称
Process of cleaning metal
摘要
申请公布号
US1916503(A)
申请公布日期
1933.07.04
申请号
US19300475374
申请日期
1930.08.14
申请人
GENERAL MOTORS CORPORATION
发明人
WILSON AUSTIN B.
分类号
C25F1/06
主分类号
C25F1/06
代理机构
代理人
主权项
地址
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