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经营范围
发明名称
Collapsible mold
摘要
申请公布号
US1997232(A)
申请公布日期
1935.04.09
申请号
US19310567707
申请日期
1931.10.08
申请人
RICHARDS CLAUDE G
发明人
RICHARDS CLAUDE G.
分类号
B28B21/88
主分类号
B28B21/88
代理机构
代理人
主权项
地址
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