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发明名称
Press mould for automatic sound record presses
摘要
申请公布号
GB345141(A)
申请公布日期
1931.03.19
申请号
GB19300013134
申请日期
1930.04.29
申请人
POLYPHONWERKE AKTIENGESELLSCHAFT
发明人
分类号
B29C33/30
主分类号
B29C33/30
代理机构
代理人
主权项
地址
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