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发明名称
摘要
申请公布号
JPS4713446(U)
申请公布日期
1972.10.17
申请号
JP19710018800U
申请日期
1971.03.18
申请人
发明人
分类号
B28B7/02;B28B7/26;(IPC1-7):B28B7/26
主分类号
B28B7/02
代理机构
代理人
主权项
地址
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