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经营范围
发明名称
Polishing machine for colored pulverulent bronze
摘要
申请公布号
US1930683(A)
申请公布日期
1933.10.17
申请号
US19290401298
申请日期
1929.10.21
申请人
HARTSTOFF-METALL AKTIEN-GESELLSCHAFT
发明人
KRAMER ERWIN
分类号
B22F9/04
主分类号
B22F9/04
代理机构
代理人
主权项
地址
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