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发明名称
厚度均匀橡胶空心球之制造方法
摘要
申请公布号
TW008403
申请公布日期
1971.05.01
申请号
TW017836
申请日期
1971.01.04
申请人
蔡朝赞
发明人
蔡朝赞
分类号
B29C
主分类号
B29C
代理机构
代理人
主权项
地址
东京都武藏野巿境4丁目5番24号
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