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发明名称
摘要
申请公布号
JPS4320058(Y1)
申请公布日期
1968.08.22
申请号
JP19660063361U
申请日期
1966.07.04
申请人
发明人
分类号
B04C9/00;B04B1/02;B04B9/06;(IPC1-7):B04B1/02
主分类号
B04C9/00
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代理人
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